Column 1 of triangle A129276; a(n) is the coefficient of q^n in the squared q-factorial of n+1.
A129277
Column 1 of triangle A129276; a(n) is the coefficient of q^n in the squared q-factorial of n+1.
Terms
- a(0) =1a(1) =2a(2) =8a(3) =42a(4) =241a(5) =1444a(6) =8867a(7) =55320a(8) =349009a(9) =2220242a(10) =14215521a(11) =91487834a(12) =591285123a(13) =3834960060a(14) =24947236547a(15) =162704291214
External references
- oeis: A129277