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.

A097180 Row sums of triangle A097179, in which the n-th row polynomial R_n(y) is formed from the initial (n+1) terms of g.f. A077860(y)^(n+1), where R_n(1/2) = 4^n for all n>=0.

Table of values

n a(n)
0 1
1 7
2 52
3 395
4 3036
5 23506
6 182904
7 1428387
8 11185900
9 87789702
10 690212744
11 5434455182
12 42841215704
13 338081920260
14 2670388231152
15 21109070463267
16 166980248599884
17 1321686452484286
18 10467203182893800
19 82936871755938970

List of values

[1, 7, 52, 395, 3036, 23506, 182904, 1428387, 11185900, 87789702, 690212744, 5434455182, 42841215704, 338081920260, 2670388231152, 21109070463267, 166980248599884, 1321686452484286, 10467203182893800, 82936871755938970]