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.

A177042 Eulerian version of the Catalan numbers, a(n) = A008292(2*n+1,n+1)/(n+1).

Table of values

n a(n)
0 1
1 2
2 22
3 604
4 31238
5 2620708
6 325024572
7 55942352184
8 12765597850950
9 3730771315561300
10 1359124435588313876
11 603916464771468176392
12 321511316149669476991132
13 202039976682357297272094824
14 147980747895225006590333244088
15 124963193751534047864734415925360

List of values

[1, 2, 22, 604, 31238, 2620708, 325024572, 55942352184, 12765597850950, 3730771315561300, 1359124435588313876, 603916464771468176392, 321511316149669476991132, 202039976682357297272094824, 147980747895225006590333244088, 124963193751534047864734415925360]

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

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