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.

A202251 Number of zero-sum -7..7 arrays of n elements with adjacent element differences also in -7..7.

Table of values

n a(n)
1 1
2 7
3 75
4 779
5 8211
6 88301
7 960501
8 10536609
9 116366779
10 1292162535
11 14412747241
12 161362353297
13 1812334370533
14 20410840535049
15 230416525827147
16 2606567584536987
17 29540755940559963
18 335338507713978229

List of values

[1, 7, 75, 779, 8211, 88301, 960501, 10536609, 116366779, 1292162535, 14412747241, 161362353297, 1812334370533, 20410840535049, 230416525827147, 2606567584536987, 29540755940559963, 335338507713978229]