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.

A157054 Number of integer sequences of length n+1 with sum zero and sum of absolute values 10.

Table of values

n a(n)
1 2
2 30
3 252
4 1500
5 7002
6 27174
7 91112
8 271224
9 731502
10 1815506
11 4197468
12 9129276
13 18827718
14 37060506
15 70006512
16 127485584
17 224676522
18 384468534
19 640622012
20 1041949020
21 1657762722
22 2584888350
23 3956576472
24 5953712520
25 8818775030
26 12873059082
27 18537751260

List of values

[2, 30, 252, 1500, 7002, 27174, 91112, 271224, 731502, 1815506, 4197468, 9129276, 18827718, 37060506, 70006512, 127485584, 224676522, 384468534, 640622012, 1041949020, 1657762722, 2584888350, 3956576472, 5953712520, 8818775030, 12873059082, 18537751260]