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A171340 Number of 1..n integer arrays v[1..3] of length 3 with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..2 0
1, 7, 26, 62, 123, 211, 338, 506, 723, 993, 1324, 1716, 2185, 2731, 3360, 4080, 4897, 5813, 6840, 7978, 9239, 10625, 12144, 13796, 15597, 17547, 19654, 21920, 24357, 26961, 29752, 32728 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

row 3 of A171275.

LINKS

Table of n, a(n) for n=1..32.

CROSSREFS

Sequence in context: A049453 A231888 A211645 * A046433 A128972 A135300

Adjacent sequences:  A171337 A171338 A171339 * A171341 A171342 A171343

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 06 2009

STATUS

approved

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Last modified February 18 02:57 EST 2020. Contains 332006 sequences. (Running on oeis4.)