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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.

A318597 Number of n-member subsets of [9*n] whose elements sum to a multiple of nine.

Table of values

n a(n)
0 1
1 1
2 17
3 327
4 6545
5 135751
6 2869719
7 61474519
8 1329890705
9 28987537806
10 635627275767
11 14005614014756
12 309847743790935
13 6878045467021470
14 153121753939078375
15 3417374882384868702
16 76435265515004093841
17 1712879663609111933495
18 38450113512250685307822

List of values

[1, 1, 17, 327, 6545, 135751, 2869719, 61474519, 1329890705, 28987537806, 635627275767, 14005614014756, 309847743790935, 6878045467021470, 153121753939078375, 3417374882384868702, 76435265515004093841, 1712879663609111933495, 38450113512250685307822]

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

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