login
A152324
Number of permutations of floor(i*7/6), i=0..n-1, with all sums of 3 adjacent terms unique.
0
1, 2, 6, 24, 96, 520, 3084, 20712, 148184, 1207076, 10350164, 98187296, 1025470092, 11481572034, 135075238176, 1690000587626
OFFSET
1,2
CROSSREFS
Sequence in context: A152327 A152314 A152331 * A147887 A053502 A053504
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 02 2008
STATUS
approved