A152375 Number of permutations of floor(i*6/5), i=0..n-1, with all sums of 6 adjacent terms unique.

1, 2, 6, 24, 120, 720, 5040, 37056, 297024, 2589312, 24999728, 269064128, 3019455096, 36323535084, 469163711448, 6568832555744

Offset

1,2

Links

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

Crossrefs

Sequence in context: A228400 A152380 A152374 * A152370 A152372 A152376

Adjacent sequences: A152372 A152373 A152374 * A152376 A152377 A152378

Keyword

nonn

Author

R. H. Hardin, Dec 02 2008

Status

approved