#harmonicnumbers
Live, measured metrics for the hashtag #harmonicnumbers from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
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Day-by-day usage
measured · mastodon.social (Mastodon public tags API) · fetched 2026-10-24 02:58 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mastodon.social (Mastodon public search API) · fetched 2026-10-24 02:58 UTCNo related tags with measured usage found for #harmonicnumbers.
Live pulse
measured · mastodon.social (Mastodon tag timeline) · fetched 2026-10-24 02:58 UTCEverything below is measured over the latest 3 public posts (spanning ~6981 hours).
Posting hours (UTC)
Languages: English (3)
Avg boosts / post: 1
Top of the latest posts
Euler–Mascheroni constant! :euler: In fact, the last one is: \[\large\displaystyle\int_1^{+\infty}\mathrm dx\ \left(\frac{1}{\lfloor x\rfloor}-\frac1x\right)=\gamma\approx0.5772156649\] Equivalently, \[\large\displaystyle\lim_{n\to\infty}\l
Try to prove the following two results that relate the harmonic numbers to the golden ratio. Have an excellent weekend. \[\displaystyle\sum_{n=1}^\infty\binom{2n}n\dfrac{H_n}{5^n}=2\sqrt5\ln\varphi\] \[\displaystyle\sum_{n=1}^\infty\binom{2
A representation of \(18\) using an analytic continuation of the Dirichlet series and the numbers \(0, 1,2,3,4,5,6\). \[18=\left|\dfrac{1}{\zeta^2(0)}\left(\dfrac{\mathcal{H}(-6)}{\zeta(-5)}-\dfrac{\mathcal{H}(-2)}{\zeta(-1)}\right)\dfrac{\
#harmonicnumbers across platforms
every network with a public tag surfaceFollow #harmonicnumbers straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/harmonicnumbers