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.

A110276 Convolution of large Schroeder numbers and central binomial coefficients.

Table of values

n a(n)
0 1
1 4
2 16
3 66
4 280
5 1218
6 5422
7 24666
8 114540
9 542278
10 2614178
11 12814102
12 63772982
13 321754290
14 1643263134
15 8483485886
16 44214343344
17 232362906298
18 1230090777342
19 6553657204178
20 35113127086114
21 189062666857686
22 1022459506515674

List of values

[1, 4, 16, 66, 280, 1218, 5422, 24666, 114540, 542278, 2614178, 12814102, 63772982, 321754290, 1643263134, 8483485886, 44214343344, 232362906298, 1230090777342, 6553657204178, 35113127086114, 189062666857686, 1022459506515674]

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

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