G.f.: exp( Sum_{n>=1} A163659(n^2)*x^n/n ), where x*exp(Sum_{n>=1} A163659(n)*x^n/n) = S(x) is the g.f. of Stern's diatomic series (A002487).
A195586
G.f.: exp( Sum_{n>=1} A163659(n^2)*x^n/n ), where x*exp(Sum_{n>=1} A163659(n)*x^n/n) = S(x) is the g.f. of Stern's diatomic series (A002487).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =3a(4) =15a(5) =12a(6) =37a(7) =25a(8) =100a(9) =75a(10) =219a(11) =144a(12) =501a(13) =357a(14) =972a(15) =615a(16) =1995a(17) =1380a(18) =3665a(19) =2285a(20) =7052a(21) =4767a(22) =12255a(23) =7488a(24) =22305a(25) =14817a(26) =37524a(27) =22707a(28) =65775a(29) =43068
External references
- oeis: A195586