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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.

A177234 a(n) = binomial(n^2, n)/(n+1).

Table of values

n a(n)
2 2
3 21
4 364
5 8855
6 278256
7 10737573
8 491796152
9 26088783435
10 1573664496040
11 106395830418878
12 7970714909592876
13 655454164338881388
14 58702034425556612832
15 5687847988198592380965
16 592867741295430227919600

List of values

[2, 21, 364, 8855, 278256, 10737573, 491796152, 26088783435, 1573664496040, 106395830418878, 7970714909592876, 655454164338881388, 58702034425556612832, 5687847988198592380965, 592867741295430227919600]

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

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