Binomial transform of A054341 and inverse binomial transform of A049027.

Terms

a(0) =1a(1) =3a(2) =10a(3) =34a(4) =117a(5) =405a(6) =1407a(7) =4899a(8) =17083a(9) =59629a(10) =208284a(11) =727900a(12) =2544751a(13) =8898873a(14) =31125138a(15) =108881166a(16) =380928795a(17) =1332824049a(18) =4663705782a(19) =16319702046a(20) =57109857519a(21) =199859075307a(22) =699435489795