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.

A261801 Number of 9-compositions of n: matrices with 9 rows of nonnegative integers with positive column sums and total element sum n.

Table of values

n a(n)
0 1
1 9
2 126
3 1704
4 22986
5 310086
6 4183260
7 56435004
8 761346207
9 10271072557
10 138563678736
11 1869317246556
12 25218347263608
13 340212470558832
14 4589695110222504
15 61918074814238448
16 835316485437693186
17 11268981358631127288
18 152026139882340589466

List of values

[1, 9, 126, 1704, 22986, 310086, 4183260, 56435004, 761346207, 10271072557, 138563678736, 1869317246556, 25218347263608, 340212470558832, 4589695110222504, 61918074814238448, 835316485437693186, 11268981358631127288, 152026139882340589466]

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

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