A152354 Number of permutations of floor(i*5/3), i=0..n-1, with all sums of 5 adjacent terms unique.

1, 2, 6, 24, 120, 720, 4704, 34392, 277152, 2480256, 25053328, 266428148, 3104831376, 38907419716, 511622343330, 7327452159608

Offset

1,2

Links

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

Crossrefs

Sequence in context: A152352 A152360 A152358 * A152363 A152359 A152362

Adjacent sequences: A152351 A152352 A152353 * A152355 A152356 A152357

Keyword

nonn

Author

R. H. Hardin, Dec 02 2008

Status

approved