G.f.: A(x) = ( G(x)^11 - G(x^11) - 11*x*((1-x^10)/(1-x))/(1-x^11) )/(121*x^2) where G(x) is the g.f. of A110644.
A111585
G.f.: A(x) = ( G(x)^11 - G(x^11) - 11*x*((1-x^10)/(1-x))/(1-x^11) )/(121*x^2) where G(x) is the g.f. of A110644.
Terms
- a(0) =1a(1) =8a(2) =58a(3) =331a(4) =1786a(5) =8339a(6) =36732a(7) =145822a(8) =547140a(9) =1892180a(10) =6204220a(11) =19012264a(12) =55425015a(13) =152433682a(14) =400145401a(15) =997800881a(16) =2382495077a(17) =5433427757a(18) =11903695647a(19) =25025392965a(20) =50712232586a(21) =99047934945a(22) =187153799666
External references
- oeis: A111585