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A171283 Number of 1..9 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
9, 81, 723, 6399, 57044, 506056, 4480295, 39730275, 351839972, 3114257783, 27591129854, 244104129909 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

column 9 of A171275.

LINKS

Table of n, a(n) for n=1..12.

CROSSREFS

Sequence in context: A073531 A206694 A125910 * A174108 A254435 A267790

Adjacent sequences:  A171280 A171281 A171282 * A171284 A171285 A171286

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 06 2009

STATUS

approved

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Last modified January 18 00:52 EST 2022. Contains 350410 sequences. (Running on oeis4.)