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.

A097085 Row sums of triangle A097084, in which the n-th diagonal equals the n-th row transformed by triangle A008459 (squared binomial coefficients).

Table of values

n a(n)
0 1
1 2
2 4
3 10
4 26
5 70
6 204
7 618
8 1908
9 6010
10 19316
11 63034
12 208210
13 695594
14 2346748
15 7983450
16 27364842
17 94439262
18 327922692
19 1145029314
20 4018618374
21 14169874350
22 50179643628
23 178410716622
24 636679332588
25 2279906714610
26 8190512723940

List of values

[1, 2, 4, 10, 26, 70, 204, 618, 1908, 6010, 19316, 63034, 208210, 695594, 2346748, 7983450, 27364842, 94439262, 327922692, 1145029314, 4018618374, 14169874350, 50179643628, 178410716622, 636679332588, 2279906714610, 8190512723940]