Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where A(n,k) = [x^n] Product_{j=0..n} (1 + (k*n+j)*x).
A382347
Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where A(n,k) = [x^n] Product_{j=0..n} (1 + (k*n+j)*x).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =2a(6) =1a(7) =5a(8) =26a(9) =6a(10) =1a(11) =7a(12) =74a(13) =342a(14) =24a(15) =1a(16) =9a(17) =146a(18) =1650a(19) =5944a(20) =120a(21) =1a(22) =11a(23) =242a(24) =4578a(25) =48504a(26) =127860a(27) =720a(28) =1a(29) =13
External references
- oeis: A382347