Partial sums of squares of Catalan numbers (A000108).

A094639

Partial sums of squares of Catalan numbers (A000108).

Terms

    a(0) =1a(1) =2a(2) =6a(3) =31a(4) =227a(5) =1991a(6) =19415a(7) =203456a(8) =2248356a(9) =25887400a(10) =307993016a(11) =3763786812a(12) =47032778956a(13) =598933188956

External references