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.

A092688 Row sums of triangle A092686, in which the convolution of each row with {1,2} produces a triangle that, when flattened, equals the flattened form of A092686.

Table of values

n a(n)
0 1
1 4
2 16
3 58
4 204
5 698
6 2346
7 7774
8 25480
9 82774
10 266946
11 855674
12 2728702
13 8663402
14 27400862
15 86376186
16 271488444
17 851099874
18 2661967502
19 8308462182
20 25883429326
21 80497346294
22 249956869434
23 775048966478
24 2400067860090

List of values

[1, 4, 16, 58, 204, 698, 2346, 7774, 25480, 82774, 266946, 855674, 2728702, 8663402, 27400862, 86376186, 271488444, 851099874, 2661967502, 8308462182, 25883429326, 80497346294, 249956869434, 775048966478, 2400067860090]