A152351 Number of permutations of floor(i*3/2), i=0..n-1, with all sums of 5 adjacent terms unique.

1, 2, 6, 24, 120, 720, 4608, 33552, 268560, 2422112, 23438552, 249020004, 2851308552, 34918206024, 462267440708, 6449764752114

Offset

1,2

Links

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

Crossrefs

Sequence in context: A152356 A152355 A152367 * A147745 A147744 A147743

Adjacent sequences: A152348 A152349 A152350 * A152352 A152353 A152354

Keyword

nonn

Author

R. H. Hardin, Dec 02 2008

Status

approved