A147734 Number of permutations of 0..n-1 with all sums of 2 through 5 adjacent terms squared respectively unique.

1, 2, 6, 24, 120, 624, 4176, 31564, 271972, 2654974, 28246094, 318206598, 4037341122, 53169596506

Offset

1,2

Links

Table of n, a(n) for n=1..14.

Crossrefs

Sequence in context: A152345 A152342 A147735 * A147733 A147732 A147731

Adjacent sequences: A147731 A147732 A147733 * A147735 A147736 A147737

Keyword

nonn

Author

R. H. Hardin, Nov 11 2008

Status

approved