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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.

A270242 Number of partitions of n unlabeled objects of 9 colors.

Table of values

n a(n)
0 1
1 9
2 90
3 735
4 5535
5 38619
6 254949
7 1604007
8 9696150
9 56601345
10 320465367
11 1765647477
12 9492925152
13 49918029894
14 257225030010
15 1301005101360
16 6467982571350
17 31645832177880
18 152542319368640
19 725110153435170
20 3401929848645540
21 15764621508983883
22 72206209735787754

List of values

[1, 9, 90, 735, 5535, 38619, 254949, 1604007, 9696150, 56601345, 320465367, 1765647477, 9492925152, 49918029894, 257225030010, 1301005101360, 6467982571350, 31645832177880, 152542319368640, 725110153435170, 3401929848645540, 15764621508983883, 72206209735787754]

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

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