A152326 Number of permutations of floor(i*8/5), i=0..n-1, with all sums of 3 adjacent terms unique.

1, 2, 6, 24, 104, 552, 3524, 25832, 194244, 1645130, 15475210, 157548326, 1768461238, 20643856190, 259156292058, 3534238845228

Offset

1,2

Links

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

Crossrefs

Sequence in context: A128652 A152316 A177520 * A152330 A152319 A152315

Adjacent sequences: A152323 A152324 A152325 * A152327 A152328 A152329

Keyword

nonn

Author

R. H. Hardin, Dec 02 2008

Status

approved