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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.

A128083 Sum of squared coefficients of q in the q-analog of the odd double factorials.

Table of values

n a(n)
0 1
1 1
2 3
3 37
4 1159
5 66953
6 6158021
7 825889193
8 152147002939
9 36866098462221
10 11368538145120143
11 4347671960639941039
12 2019396728684584627337
13 1119792551093682455434255
14 730724550040451849614251167

List of values

[1, 1, 3, 37, 1159, 66953, 6158021, 825889193, 152147002939, 36866098462221, 11368538145120143, 4347671960639941039, 2019396728684584627337, 1119792551093682455434255, 730724550040451849614251167]

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

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