Number of 0..n-1 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.
A171360
Number of 0..n-1 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.
Terms
- a(0) =0a(1) =3a(2) =1199a(3) =62325a(4) =787715a(5) =5618555a(6) =25916198a(7) =97813140a(8) =301112167a(9) =819634842a(10) =1998446413a(11) =4516545383a(12) =9434578601a(13) =18751556647a(14) =35316005556a(15) =63799458547a(16) =110998185424a(17) =187305554285a(18) =306223868165a(19) =488948073586a(20) =761311432412
External references
- oeis: A171360