G.f. satisfies: A(x) = Product_{n>=1} (1 + x^n*A(x))/(1 - x^n*A(x)).
A190862
G.f. satisfies: A(x) = Product_{n>=1} (1 + x^n*A(x))/(1 - x^n*A(x)).
Terms
- a(0) =1a(1) =2a(2) =8a(3) =36a(4) =174a(5) =888a(6) =4716a(7) =25808a(8) =144568a(9) =825030a(10) =4780176a(11) =28045860a(12) =166295716a(13) =994959560a(14) =5999349896a(15) =36420226288a(16) =222415222446
External references
- oeis: A190862