A152358 Number of permutations of floor(i*7/3), i=0..n-1, with all sums of 5 adjacent terms unique.

1, 2, 6, 24, 120, 720, 4704, 34200, 282528, 2637408, 25834536, 286838720, 3470883768, 43318119864, 595007651008, 8853157713964

Offset

1,2

Links

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

Crossrefs

Sequence in context: A147742 A152352 A152360 * A152354 A152363 A152359

Adjacent sequences: A152355 A152356 A152357 * A152359 A152360 A152361

Keyword

nonn

Author

R. H. Hardin, Dec 02 2008

Status

approved