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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.

A270881 Row sums of triangle A270880. Number of direct-sum decompositions of a finite vector space of n dimensions over GF(2).

Table of values

n a(n)
0 1
1 1
2 4
3 57
4 2921
5 540145
6 364558049
7 906918346689
8 8394259686375297
9 291375477821572448001
10 38187935488350036891532801
11 19005446750755761952317881973761
12 36091267618694510017592440805677594625
13 262587035725176662374187801686523815760228353
14 7345273837043092730077580223639933697831592435638273

List of values

[1, 1, 4, 57, 2921, 540145, 364558049, 906918346689, 8394259686375297, 291375477821572448001, 38187935488350036891532801, 19005446750755761952317881973761, 36091267618694510017592440805677594625, 262587035725176662374187801686523815760228353, 7345273837043092730077580223639933697831592435638273]

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

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