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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.

A143402 Expansion of x^k/Product_{t=k..2k} (1-tx) for k=7.

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 0
5 0
6 0
7 1
8 84
9 3990
10 141120
11 4138827
12 106469748
13 2484848080
14 53791898160
15 1096912870053
16 21307466872692
17 397605494092170
18 7173885616672320
19 125794299357058879
20 2152559266567924116
21 36065247772657686660
22 593280221500152370800

List of values

[0, 0, 0, 0, 0, 0, 0, 1, 84, 3990, 141120, 4138827, 106469748, 2484848080, 53791898160, 1096912870053, 21307466872692, 397605494092170, 7173885616672320, 125794299357058879, 2152559266567924116, 36065247772657686660, 593280221500152370800]

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

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