A171346 - OEIS

A171346

Number of 1..n integer arrays v[1..9] of length 9 with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..8

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

%S 1,274,13195,191050,1558365,8335997,35065504,119156248,351839972,

%T 919946902,2202536367,4849690150,10068991557,19723016059,36893238627,

%U 66203565136,114800265705,192455268439,314206446033,499409248793

%N Number of 1..n integer arrays v[1..9] of length 9 with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..8

%C row 9 of A171275.

%H R. H. Hardin, <a href="/A171346/b171346.txt">Table of n, a(n) for n=1..23</a>

%K nonn

%O 1,2

%A _R. H. Hardin_ Dec 06 2009