Sum of squared coefficients of q in the q-analog of the even double factorials.
A128087
Sum of squared coefficients of q in the q-analog of the even double factorials.
Terms
- a(0) =1a(1) =2a(2) =14a(3) =296a(4) =12938a(5) =956720a(6) =107245250a(7) =16966970200
External references
- oeis: A128087