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.

A177306 Number of permutations of 6 copies of 1..n with all adjacent differences <= 3 in absolute value.

Original entry on oeis.org

1, 1, 924, 17153136, 2308743493056, 71614356453896256, 1097239851330486263400
Offset: 0

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Author

R. H. Hardin, May 06 2010

Keywords

Comments

a(n) = (6n)!/720^n for n<=4.

Crossrefs

Cf. A248814.