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.

A177320 Number of permutations of n copies of 1..8 with all adjacent differences <= 1 in absolute value.

Table of values

n a(n)
0 1
1 2
2 250
3 168284
4 175280570
5 226901044252
6 336181036999948
7 546641872918476120
8 951645881858020642746
9 1745708356607370063330620
10 3337797628633312532069739500
11 6600171805939224952685745226312
12 13419910030462066174528563412581260
13 27933944205209773363718168619462715544

List of values

[1, 2, 250, 168284, 175280570, 226901044252, 336181036999948, 546641872918476120, 951645881858020642746, 1745708356607370063330620, 3337797628633312532069739500, 6600171805939224952685745226312, 13419910030462066174528563412581260, 27933944205209773363718168619462715544]

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

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