A152383 Number of permutations of floor(i*8/7), i=0..n-1, with all sums of 6 adjacent terms unique.

1, 2, 6, 24, 120, 720, 5040, 36672, 294384, 2571360, 24498656, 258136960, 2805110428, 33942718440, 446246467932, 6175857338372

Offset

1,2

Links

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

Crossrefs

Sequence in context: A267387 A152369 A152387 * A228400 A152380 A152374

Adjacent sequences: A152380 A152381 A152382 * A152384 A152385 A152386

Keyword

nonn

Author

R. H. Hardin, Dec 02 2008

Status

approved