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.

A098510 Row sums of a matrix associated to the inverse of a Catalan scaled binomial matrix.

Table of values

n a(n)
0 1
1 2
2 5
3 20
4 49
5 210
6 429
7 2860
8 7293
9 34034
10 113373
11 537472
12 1359507
13 6611810
14 24627135
15 37917616
16 177181213
17 973514514
18 1647439975
19 12026570280
20 17818756259
21 98555142278
22 502860886675
23 4577646742140
24 6402665244089

List of values

[1, 2, 5, 20, 49, 210, 429, 2860, 7293, 34034, 113373, 537472, 1359507, 6611810, 24627135, 37917616, 177181213, 973514514, 1647439975, 12026570280, 17818756259, 98555142278, 502860886675, 4577646742140, 6402665244089]