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A180215
Number of permutations of 0..(n-1) representable as 1,4,6,4,1-weighted consecutive sums of 5 adjacent elements of a sequence of n+4 nonnegative integers.
0
1, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 12, 48, 176, 444, 420, 2124, 8056, 12944
OFFSET
1,2
CROSSREFS
Sequence in context: A367996 A098940 A098939 * A228552 A240066 A240067
KEYWORD
nonn,more,changed
AUTHOR
R. H. Hardin, Aug 15 2010
STATUS
approved