cp's OEIS Frontend

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.

A027247 a(n) = self-convolution of row n of array T given by A026780.

Table of values

n a(n)
0 1
1 2
2 11
3 42
4 216
5 926
6 4805
7 21594
8 113176
9 523158
10 2766030
11 13043426
12 69508528
13 332880898
14 1786840975
15 8666578226
16 46835595908
17 229627064562
18 1248785459646
19 6180314464290
20 33808696703208
21 168713818115262
22 927994263768204
23 4665292098508258
24 25791693351775736

List of values

[1, 2, 11, 42, 216, 926, 4805, 21594, 113176, 523158, 2766030, 13043426, 69508528, 332880898, 1786840975, 8666578226, 46835595908, 229627064562, 1248785459646, 6180314464290, 33808696703208, 168713818115262, 927994263768204, 4665292098508258, 25791693351775736]

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

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