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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

%I #4 Mar 31 2012 12:35:37

%S 1,87,1674,13297,67578,245724,749530,1934069,4480295,9440405,18606208,

%T 34307401,60538918,102049800,165997846,261463325,401147200,599230909,

%U 877297399,1257532904,1772179733,2457253455,3359594143,4527423333

%N 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

%C row 7 of A171275.

%H R. H. Hardin, <a href="/A171344/b171344.txt">Table of n, a(n) for n=1..32</a>

%K nonn

%O 1,2

%A _R. H. Hardin_ Dec 06 2009

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Last modified June 13 15:19 EDT 2024. Contains 373389 sequences. (Running on oeis4.)