A152374 Number of permutations of floor(i*5/4), i=0..n-1, with all sums of 6 adjacent terms unique.

1, 2, 6, 24, 120, 720, 5040, 36864, 300864, 2655936, 25669872, 262292320, 3057469072, 37397021616, 490976440820, 6788575069128

Offset

1,2

Links

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

Crossrefs

Sequence in context: A152383 A228400 A152380 * A152375 A152370 A152372

Adjacent sequences: A152371 A152372 A152373 * A152375 A152376 A152377

Keyword

nonn

Author

R. H. Hardin, Dec 02 2008

Status

approved