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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.

A026946 Self-convolution of array T given by A026374.

Table of values

n a(n)
0 1
1 2
2 11
3 34
4 195
5 678
6 3989
7 14494
8 86515
9 321590
10 1936881
11 7301142
12 44241261
13 168359754
14 1024642875
15 3926147730
16 23973456915
17 92338836390
18 565280386625
19 2186194166950
20 13411044301945
21 52037098259090
22 319756851757695
23 1244063987615130
24 7655279183309725
25 29851422385561898

List of values

[1, 2, 11, 34, 195, 678, 3989, 14494, 86515, 321590, 1936881, 7301142, 44241261, 168359754, 1024642875, 3926147730, 23973456915, 92338836390, 565280386625, 2186194166950, 13411044301945, 52037098259090, 319756851757695, 1244063987615130, 7655279183309725, 29851422385561898]

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

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