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A171344 Number of 1..n integer arrays v[1..7] of length 7 with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..6 1
1, 87, 1674, 13297, 67578, 245724, 749530, 1934069, 4480295, 9440405, 18606208, 34307401, 60538918, 102049800, 165997846, 261463325, 401147200, 599230909, 877297399, 1257532904, 1772179733, 2457253455, 3359594143, 4527423333 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

row 7 of A171275.

LINKS

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

CROSSREFS

Sequence in context: A186054 A082955 A201154 * A200533 A324112 A116269

Adjacent sequences:  A171341 A171342 A171343 * A171345 A171346 A171347

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 06 2009

STATUS

approved

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Last modified September 20 01:30 EDT 2020. Contains 337243 sequences. (Running on oeis4.)