G.f. satisfies: A(x) = exp( Sum_{n>=1} A(A179491(n)*x^n)*x^n/n ), where A(x) = exp( Sum_{n>=1} A179491(n)*x^n/n ).
A179490
G.f. satisfies: A(x) = exp( Sum_{n>=1} A(A179491(n)*x^n)*x^n/n ), where A(x) = exp( Sum_{n>=1} A179491(n)*x^n/n ).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =4a(4) =10a(5) =22a(6) =63a(7) =148a(8) =429a(9) =1093a(10) =3233a(11) =8235a(12) =25361a(13) =65890a(14) =201793a(15) =544175a(16) =1667061a(17) =4481965a(18) =14036608a(19) =38084873a(20) =118657467a(21) =328157619a(22) =1023953705a(23) =2831122937a(24) =8891271200a(25) =24765261847a(26) =77805405420a(27) =218807381684
External references
- oeis: A179490