Numerators of partial sums of Catalan numbers scaled by powers of 1/4.

A120778

Numerators of partial sums of Catalan numbers scaled by powers of 1/4.

Terms

    a(0) =1a(1) =5a(2) =11a(3) =93a(4) =193a(5) =793a(6) =1619a(7) =26333a(8) =53381a(9) =215955a(10) =436109a(11) =3518265a(12) =7088533a(13) =28539857a(14) =57414019a(15) =1846943453a(16) =3711565741a(17) =14911085359a(18) =29941580393a(19) =240416274739a(20) =482473579583

External references