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.

A201087 Number of -7..7 arrays of n elements with first and second differences also in -7..7.

Table of values

n a(n)
1 15
2 169
3 1483
4 13405
5 121371
6 1100401
7 9975741
8 90429601
9 819732439
10 7430807385
11 67359774511
12 610611788991
13 5535153486929
14 50175781165245
15 454839969853999
16 4123092739091885
17 37375549329244061
18 338806758784131711

List of values

[15, 169, 1483, 13405, 121371, 1100401, 9975741, 90429601, 819732439, 7430807385, 67359774511, 610611788991, 5535153486929, 50175781165245, 454839969853999, 4123092739091885, 37375549329244061, 338806758784131711]

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

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