Gaussian binomial coefficient [ n,2 ] for q = -3.
A015251
Gaussian binomial coefficient [ n,2 ] for q = -3.
Terms
- a(0) =1a(1) =7a(2) =70a(3) =610a(4) =5551a(5) =49777a(6) =448540a(7) =4035220a(8) =36321901a(9) =326882347a(10) =2941985410a(11) =26477735830a(12) =238300021051
External references
- oeis: A015251