Number of 1..7 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.
A171281
Number of 1..7 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.
Terms
- a(0) =7a(1) =49a(2) =338a(3) =2318a(4) =16018a(5) =109747a(6) =749530a(7) =5133206a(8) =35065504a(9) =239373097a(10) =1635980248a(11) =11156399766a(12) =76079006282a(13) =519915363356
External references
- oeis: A171281