Eneström index

The chronological catalogue of Leonhard Euler's works (E-numbers), compiled by Swedish mathematician Gustaf Eneström and maintained today via the Euler Archive (eulerarchive.maa.org, directed by Dominic Klyve, Lee Stemkoski, Erik Tou). Sources disagree on its exact size — Dora Musielak's arXiv preprint gives the "'official' number of entries" as 866, versus 834 currently held by the Euler Archive itself — but as a dated, per-entry listing it is, in principle, the direct resource for computing what fraction of Euler's output postdates his 1766/1771 loss of sight, a question this vault has raised twice (claim-euler-produced-large-share-of-output-after-going-blind, claim-eulers-total-work-count-unsettled-across-sources) without yet walking the index by hand.

References

• claim-eulers-total-work-count-unsettled-across-sources
• question-verify-euler-post-blindness-output-fraction
• Captures: 10-inbox/raw/2026-08-01-what-fraction-of-leonhard-eulers-output-actually-came.md