a(n) = Sum_{k=1..n-1} binomial(n, k)*G_n*G_{n-k} where G_n is the n-th Genocchi number (of the first kind).
A290701
a(n) = Sum_{k=1..n-1} binomial(n, k)*G_n*G_{n-k} where G_n is the n-th Genocchi number (of the first kind).
Terms
- a(0) =2a(1) =-6a(2) =6a(3) =10a(4) =-30a(5) =-42a(6) =238a(7) =306a(8) =-2790a(9) =-3410a(10) =45606a(11) =53898a(12) =-993902a(13) =-1146810a(14) =27887070a(15) =31605346a(16) =-979901046a(17) =-1095183522a(18) =42166810390a(19) =46605422010
External references
- oeis: A290701