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.

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A285868 Row sums of triangle A285867.

Original entry on oeis.org

1, 1, 4, 20, 126, 962, 8646, 89546, 1051350, 13811642, 200866326, 3205348346, 55704133590, 1047489675962, 21195507649686, 459258707587706, 10610386574074710, 260385846630175802, 6764666952807962646
Offset: 0

Views

Author

Wolfdieter Lang, May 04 2017

Keywords

Comments

See A285867 for details.

Crossrefs

Cf. A000629, A285867.

Formula

a(n) = Sum_{k=0..n} A285867(n, k).
a(n) = 1 for n = 0 and A000629(n) - n! for n >= 1.
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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