A152373 Number of permutations of floor(i*5/3), i=0..n-1, with all sums of 6 adjacent terms unique.

1, 2, 6, 24, 120, 720, 5040, 38016, 313200, 2868960, 28682736, 302235168, 3610498624, 45501591872, 615625444260, 8947269813616

Offset

1,2

Links

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

Crossrefs

Sequence in context: A152377 A152382 A152378 * A152381 A152385 A360384

Adjacent sequences: A152370 A152371 A152372 * A152374 A152375 A152376

Keyword

nonn

Author

R. H. Hardin, Dec 02 2008

Status

approved