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A171281 Number of 1..7 integer arrays v[1..n] of length n with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..n-1 0
7, 49, 338, 2318, 16018, 109747, 749530, 5133206, 35065504, 239373097, 1635980248, 11156399766, 76079006282, 519915363356 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

column 7 of A171275.

LINKS

Table of n, a(n) for n=1..14.

CROSSREFS

Sequence in context: A188868 A126639 A250349 * A216129 A057266 A057833

Adjacent sequences:  A171278 A171279 A171280 * A171282 A171283 A171284

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 06 2009

STATUS

approved

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Last modified November 26 23:13 EST 2014. Contains 250152 sequences.