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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.

A289543 Number of direct sum decompositions of GF(2)^n that do not contain any subspaces of dimension 1.

Table of values

n a(n)
0 1
1 0
2 1
3 1
4 281
5 9921
6 16078337
7 13596908545
8 191426147495937
9 3273234077014474753
10 497324772153177747947521
11 154709087482207635347155451905
12 291534668371237082293312814285062145
13 1534814232386517133354150755522868689240065
14 39269743760371912650589750432327799926355436503041
15 3338607968166762847572429548161284663670177988768356630529

List of values

[1, 0, 1, 1, 281, 9921, 16078337, 13596908545, 191426147495937, 3273234077014474753, 497324772153177747947521, 154709087482207635347155451905, 291534668371237082293312814285062145, 1534814232386517133354150755522868689240065, 39269743760371912650589750432327799926355436503041, 3338607968166762847572429548161284663670177988768356630529]

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

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