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.

A263700 Number of length n arrays of permutations of 0..n-1 with each element moved by -5 to 5 places and every three consecutive elements having its maximum within 4 of its minimum.

Table of values

n a(n)
1 1
2 2
3 6
4 24
5 120
6 288
7 276
8 374
9 732
10 1673
11 3692
12 7784
13 15360
14 29532
15 58532
16 118037
17 240313
18 487649
19 980297
20 1966710
21 3945522
22 7932930
23 15978403
24 32172852
25 64755796
26 130259920
27 261986262
28 527049589
29 1060407528
30 2133708989
31 4293197371

List of values

[1, 2, 6, 24, 120, 288, 276, 374, 732, 1673, 3692, 7784, 15360, 29532, 58532, 118037, 240313, 487649, 980297, 1966710, 3945522, 7932930, 15978403, 32172852, 64755796, 130259920, 261986262, 527049589, 1060407528, 2133708989, 4293197371]

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

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