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.

A045519 Factorials with initial digit '8'.

Original entry on oeis.org

87178291200, 8841761993739701954543616000000, 8222838654177922817725562880000000, 8683317618811886495518194401280000000
Offset: 1

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Author

Jeff Burch

Keywords

Comments

Benford's law shows that this sequence will contain about (log 9 - log 8)/log 10 =~ 5% of factorials. [Charles R Greathouse IV, Nov 13 2010]

Links

Crossrefs

For factorials with initial digit d (1 <= d <= 9) see A045509, A045510, A045511, A045516, A045517, A045518, A282021, A045519; A045520, A045521, A045522, A045523, A045524, A045525, A045526, A045527, A045528, A045529. See also A000142.

Formula

a(n) = A000142(A045527(n)). - Amiram Eldar, Jul 19 2020

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