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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.

A143401 Expansion of x^k/Product_{t=k..2k} (1-tx) for k=6.

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 0
5 0
6 1
7 63
8 2282
9 62370
10 1428987
11 28979181
12 537306484
13 9302333040
14 152587968533
15 2396472657579
16 36320866824606
17 534421447961310
18 7670116319449039
19 107781064078390857
20 1487396442778796648
21 20208696810429799980
22 270879169288278532905

List of values

[0, 0, 0, 0, 0, 0, 1, 63, 2282, 62370, 1428987, 28979181, 537306484, 9302333040, 152587968533, 2396472657579, 36320866824606, 534421447961310, 7670116319449039, 107781064078390857, 1487396442778796648, 20208696810429799980, 270879169288278532905]

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

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