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Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!) A171286 Number of 1..12 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 12, 144, 1716, 20364, 242889, 2888737, 34307401, 408154291, 4849690150, 57617168530, 684906280933 (list; graph; refs; listen; history; text; internal format) OFFSET 1,1 COMMENTS column 12 of A171275. LINKS Table of n, a(n) for n=1..11. CROSSREFS Sequence in context: A189197 A370045 A264523 * A190132 A267791 A001021 Adjacent sequences: A171283 A171284 A171285 * A171287 A171288 A171289 KEYWORD nonn AUTHOR R. H. Hardin Dec 06 2009 STATUS approved

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Last modified August 18 23:05 EDT 2024. Contains 375284 sequences. (Running on oeis4.)