G.f. satisfies A(x) = exp( Sum_{k>=1} A(x^k) * x^k/(k * (1 - x^k)^3) ).
A363548
G.f. satisfies A(x) = exp( Sum_{k>=1} A(x^k) * x^k/(k * (1 - x^k)^3) ).
Terms
- a(0) =1a(1) =1a(2) =5a(3) =19a(4) =79a(5) =326a(6) =1414a(7) =6198a(8) =27794a(9) =126233a(10) =580885a(11) =2700135a(12) =12665756a(13) =59869222a(14) =284919675a(15) =1364009722a(16) =6564545500a(17) =31742029545a(18) =154134718727a(19) =751316355122
External references
- oeis: A363548