a(n) = [x^n] ( E(x)/E(-x) )^n where E(x) = exp( Sum_{k >= 1} A108628(k-1)*x^k/k ).
A362729
a(n) = [x^n] ( E(x)/E(-x) )^n where E(x) = exp( Sum_{k >= 1} A108628(k-1)*x^k/k ).
Terms
- a(0) =1a(1) =2a(2) =8a(3) =146a(4) =1344a(5) =18502a(6) =214136a(7) =2820834a(8) =35377152a(9) =465110894a(10) =6038588808a(11) =79936149174
External references
- oeis: A362729