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.

A119373 A lower diagonal of pendular trinomial triangle A119369.

Table of values

n a(n)
0 1
1 2
2 6
3 20
4 70
5 253
6 938
7 3546
8 13617
9 52967
10 208255
11 826315
12 3304456
13 13304924
14 53891402
15 219442686
16 897772983
17 3688451380
18 15211545938
19 62950542636
20 261329456566
21 1087985751336
22 4541524025769
23 19003488710465
24 79696345430789

List of values

[1, 2, 6, 20, 70, 253, 938, 3546, 13617, 52967, 208255, 826315, 3304456, 13304924, 53891402, 219442686, 897772983, 3688451380, 15211545938, 62950542636, 261329456566, 1087985751336, 4541524025769, 19003488710465, 79696345430789]

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

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