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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.

A280869 Expansion of E_6(q)^2 in powers of q.

Table of values

n a(n)
0 1
1 -1008
2 220752
3 16519104
4 399517776
5 4624512480
6 34423752384
7 187506813312
8 814794618960
9 2975666040144
10 9486668147040
11 27052407031104
12 70486610910912
13 169931677686624
14 384163181281152
15 820165393918080
16 1668889095288912
17 3249638073414432

List of values

[1, -1008, 220752, 16519104, 399517776, 4624512480, 34423752384, 187506813312, 814794618960, 2975666040144, 9486668147040, 27052407031104, 70486610910912, 169931677686624, 384163181281152, 820165393918080, 1668889095288912, 3249638073414432]

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

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