A152356 Number of permutations of floor(i*6/5), i=0..n-1, with all sums of 5 adjacent terms unique.

1, 2, 6, 24, 120, 720, 4560, 32088, 249120, 2081200, 20165928, 211483252, 2352849404, 28163155844, 356335410838, 4916796632132

Offset

1,2

Links

Table of n, a(n) for n=1..16.

Crossrefs

Sequence in context: A152368 A152364 A152361 * A152355 A152367 A152351

Adjacent sequences: A152353 A152354 A152355 * A152357 A152358 A152359

Keyword

nonn

Author

R. H. Hardin, Dec 02 2008

Status

approved