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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.

A187358 Catalan trisection: A000108(3*n+1), n>=0.

Table of values

n a(n)
0 1
1 14
2 429
3 16796
4 742900
5 35357670
6 1767263190
7 91482563640
8 4861946401452
9 263747951750360
10 14544636039226909
11 812944042149730764
12 45950804324621742364
13 2622127042276492108820
14 150853479205085351660700
15 8740328711533173390046320
16 509552245179617138054608572
17 29869166945772625950142417512

List of values

[1, 14, 429, 16796, 742900, 35357670, 1767263190, 91482563640, 4861946401452, 263747951750360, 14544636039226909, 812944042149730764, 45950804324621742364, 2622127042276492108820, 150853479205085351660700, 8740328711533173390046320, 509552245179617138054608572, 29869166945772625950142417512]

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

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