login
A147745
Number of permutations of 2..n+1 with all sums of 2 through 6 adjacent terms squared respectively unique.
0
1, 2, 6, 24, 120, 720, 4608, 33952, 305092, 2822386, 30933326, 358972924, 4418769124, 59922055882
OFFSET
1,2
CROSSREFS
Sequence in context: A152355 A152367 A152351 * A147744 A147743 A152353
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 11 2008
STATUS
approved