A171276 - OEIS

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A171276

Number of 1..2 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

1

2, 4, 7, 15, 23, 48, 87, 157, 274, 560, 933, 1822, 3203, 5993, 10478, 19922, 34214, 63331, 110943, 203812, 352455, 646274, 1109722, 2023785, 3479398, 6260690, 10787932, 19322649, 33171504, 59007624, 100974521, 179426764, 306323274

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OFFSET

1,1

COMMENTS

column 2 of A171275.

LINKS

R. H. Hardin, Table of n, a(n) for n=1..37

CROSSREFS

Sequence in context: A019998 A002956 A333613 * A027167 A259090 A358832

Adjacent sequences: A171273 A171274 A171275 * A171277 A171278 A171279

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 06 2009

STATUS

approved