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.

A157071 Number of integer sequences of length n+1 with sum zero and sum of absolute values 44.

Table of values

n a(n)
1 2
2 132
3 4842
4 124410
5 2468160
6 39944058
7 546468188
8 6480461988
9 67871267730
10 636929126680
11 5418075931842
12 42175511270802
13 302809501559292
14 2018756213756730
15 12569156781338280
16 73453463921029288
17 404681030359774038
18 2110083485993094708
19 10449172010467254110

List of values

[2, 132, 4842, 124410, 2468160, 39944058, 546468188, 6480461988, 67871267730, 636929126680, 5418075931842, 42175511270802, 302809501559292, 2018756213756730, 12569156781338280, 73453463921029288, 404681030359774038, 2110083485993094708, 10449172010467254110]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.