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.

A177326 Number of permutations of n copies of 1..5 with all adjacent differences <= 3 in absolute value.

Table of values

n a(n)
0 1
1 72
2 41580
3 37850400
4 42251309100
5 52977847995072
6 71614356453896256
7 102038786510159790720
8 151158246783053570131500
9 230729955958244519983206000
10 360656999876515853295073369080
11 574739352751818771710077504838400
12 930674941577730459521320183457601600

List of values

[1, 72, 41580, 37850400, 42251309100, 52977847995072, 71614356453896256, 102038786510159790720, 151158246783053570131500, 230729955958244519983206000, 360656999876515853295073369080, 574739352751818771710077504838400, 930674941577730459521320183457601600]

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

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