A152384 - OEIS

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A152384

Number of permutations of floor(i*9/4), i=0..n-1, with all sums of 6 adjacent terms unique.

0

1, 2, 6, 24, 120, 720, 5040, 37248, 319512, 2918016, 29152160, 314633376, 3963157656, 50343312444, 685581994146, 10100992141840

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

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

CROSSREFS

Sequence in context: A152370 A152372 A152376 * A152371 A152386 A147736

Adjacent sequences: A152381 A152382 A152383 * A152385 A152386 A152387

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 02 2008

STATUS

approved