login
A180214
Number of permutations of 0..(n-1) representable as 1,3,3,1-weighted consecutive sums of 4 adjacent elements of a sequence of n+3 nonnegative integers.
0
1, 2, 2, 2, 2, 2, 4, 26, 38, 92, 186, 356, 938, 2682, 7032, 25282, 82022, 212058, 772436
OFFSET
1,2
CROSSREFS
Sequence in context: A244460 A160419 A152659 * A329438 A263342 A089452
KEYWORD
nonn,more
AUTHOR
R. H. Hardin, Aug 15 2010
STATUS
approved