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.
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.
Terms
- a(0) =1a(1) =87a(2) =1674a(3) =13297a(4) =67578a(5) =245724a(6) =749530a(7) =1934069a(8) =4480295a(9) =9440405a(10) =18606208a(11) =34307401a(12) =60538918a(13) =102049800a(14) =165997846a(15) =261463325a(16) =401147200a(17) =599230909a(18) =877297399a(19) =1257532904a(20) =1772179733a(21) =2457253455a(22) =3359594143a(23) =4527423333
External references
- oeis: A171344