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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.

A265936 G.f.: Sum_{n>=0} (1 + x)^(n^2) / 2^n.

Table of values

n a(n)
0 2
1 6
2 72
3 1488
4 43212
5 1615824
6 73897824
7 3995603040
8 249332628600
9 17635891224600
10 1394325697514112
11 121850733102557184
12 11663364820483368384
13 1213527023075625127296
14 136368036713802512640384
15 16459661773011642351224832
16 2123742016843422531580031760
17 291703805646180152870305600416
18 42495460119330209128505618419584
19 6544578588779477399509681497008256
20 1062399800520315889891506552001161024
21 181308080907736435566683700136306288320

List of values

[2, 6, 72, 1488, 43212, 1615824, 73897824, 3995603040, 249332628600, 17635891224600, 1394325697514112, 121850733102557184, 11663364820483368384, 1213527023075625127296, 136368036713802512640384, 16459661773011642351224832, 2123742016843422531580031760, 291703805646180152870305600416, 42495460119330209128505618419584, 6544578588779477399509681497008256, 1062399800520315889891506552001161024, 181308080907736435566683700136306288320]

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

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