Binomial transform of A048654: generalized Pellian with second term equal to 4.

A111567

Binomial transform of A048654: generalized Pellian with second term equal to 4.

Terms

    a(0) =1a(1) =5a(2) =18a(3) =62a(4) =212a(5) =724a(6) =2472a(7) =8440a(8) =28816a(9) =98384a(10) =335904a(11) =1146848a(12) =3915584a(13) =13368640a(14) =45643392a(15) =155836288a(16) =532058368a(17) =1816560896a(18) =6202126848a(19) =21175385600a(20) =72297288704a(21) =246838383616a(22) =842758957056

External references