cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A332507 Decimal expansion of the number u such that the line normal to the graph of y = sin x at (u, sin u) passes through (1,0).

Original entry on oeis.org

5, 5, 3, 0, 3, 0, 0, 7, 8, 8, 5, 3, 1, 3, 5, 9, 5, 5, 3, 0, 8, 3, 6, 8, 6, 4, 8, 5, 1, 5, 0, 3, 7, 1, 6, 1, 0, 2, 8, 7, 0, 3, 3, 3, 1, 6, 7, 2, 4, 3, 9, 9, 8, 9, 7, 0, 4, 0, 0, 8, 4, 0, 9, 7, 5, 1, 9, 7, 6, 6, 6, 8, 5, 5, 7, 3, 8, 1, 2, 3, 9, 6, 6, 9, 1, 1
Offset: 0

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Author

Clark Kimberling, May 05 2020

Keywords

Examples

			u = 0.5530300788531359553083686485...
		

Crossrefs

Programs

  • Mathematica
    u = u /. FindRoot[0 == - Sec[u] + u Sec[u] + Sin[u], {u, 0}, WorkingPrecision -> 150]
    RealDigits[u][[1]]