Triangle, read by rows, of coefficients of q^(nk+k) in the q-analog of the odd double factorials: T(n,k) = [q^(nk+k)] Product_{j=1..n+1} (1-q^(2j-1))/(1-q) for n>0, with T(0,0)=1.
A128592
Triangle, read by rows, of coefficients of q^(nk+k) in the q-analog of the odd double factorials: T(n,k) = [q^(nk+k)] Product_{j=1..n+1} (1-q^(2j-1))/(1-q) for n>0, with T(0,0)=1.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =1a(6) =1a(7) =12a(8) =12a(9) =1a(10) =1a(11) =45a(12) =97a(13) =45a(14) =1a(15) =1a(16) =170a(17) =696a(18) =696a(19) =170a(20) =1a(21) =1a(22) =644a(23) =4784a(24) =8447a(25) =4784a(26) =644a(27) =1a(28) =1a(29) =2451
External references
- oeis: A128592