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.

A135757 Central binomial coefficients at triangular positions: a(n) = A000984(n(n+1)/2).

Table of values

n a(n)
0 1
1 2
2 20
3 924
4 184756
5 155117520
6 538257874440
7 7648690600760440
8 442512540276836779204
9 103827421287553411369671120
10 98527218530093856775578873054432
11 377389666165540953244592352291892721700
12 5825874245311064218315521996517139009907512400

List of values

[1, 2, 20, 924, 184756, 155117520, 538257874440, 7648690600760440, 442512540276836779204, 103827421287553411369671120, 98527218530093856775578873054432, 377389666165540953244592352291892721700, 5825874245311064218315521996517139009907512400]

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

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