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.

A240435 Catalan numbers whose sum of digits is a prime.

Table of values

n a(n)
1 2
2 5
3 14
4 16796
5 208012
6 18367353072152
7 14544636039226909
8 3116285494907301262
9 45950804324621742364
10 176733862787006701400
11 270557451039395118028642463289168566420671280440
12 3935312233584004685417853572763349509774031680023800

List of values

[2, 5, 14, 16796, 208012, 18367353072152, 14544636039226909, 3116285494907301262, 45950804324621742364, 176733862787006701400, 270557451039395118028642463289168566420671280440, 3935312233584004685417853572763349509774031680023800]

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

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