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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.

A026956 Self-convolution of array T given by A026615.

Table of values

n a(n)
0 1
1 2
2 11
3 52
4 200
5 742
6 2752
7 10278
8 38670
9 146426
10 557408
11 2131318
12 8179646
13 31491202
14 121568150
15 470404274
16 1823968074
17 7085220834
18 27567196704
19 107414120214
20 419080195374
21 1636990646274
22 6401210885934
23 25055584929954
24 98160790785714
25 384885441746202
26 1510279309724502

List of values

[1, 2, 11, 52, 200, 742, 2752, 10278, 38670, 146426, 557408, 2131318, 8179646, 31491202, 121568150, 470404274, 1823968074, 7085220834, 27567196704, 107414120214, 419080195374, 1636990646274, 6401210885934, 25055584929954, 98160790785714, 384885441746202, 1510279309724502]

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

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