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.

A089461 Hyperbinomial transform of A088957. Also the row sums of triangle A089460, which lists the coefficients for the second hyperbinomial transform.

Table of values

n a(n)
0 1
1 3
2 13
3 81
4 689
5 7553
6 101961
7 1639529
8 30640257
9 653150529
10 15649353929
11 416495026841
12 12193949444193
13 389572905351425
14 13488730646528265
15 503205102139969977
16 20123584054543823105
17 858863606297804378753
18 38967500492977755457161
19 1872974608860684814735385

List of values

[1, 3, 13, 81, 689, 7553, 101961, 1639529, 30640257, 653150529, 15649353929, 416495026841, 12193949444193, 389572905351425, 13488730646528265, 503205102139969977, 20123584054543823105, 858863606297804378753, 38967500492977755457161, 1872974608860684814735385]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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