a(n) = coefficient of x^n in A(x) such that A(x) = 1 + x*(2*A(x)^3 + A(x^3))/3.
A357538
a(n) = coefficient of x^n in A(x) such that A(x) = 1 + x*(2*A(x)^3 + A(x^3))/3.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =21a(5) =78a(6) =308a(7) =1264a(8) =5332a(9) =22994a(10) =100896a(11) =449004a(12) =2021712a(13) =9193509a(14) =42161222a(15) =194768936a(16) =905522052a(17) =4233712140a(18) =19893553120a(19) =93894821200a(20) =444952447944
External references
- oeis: A357538