Minimal number of Catalan numbers that sum to n.

Terms

a(0) =0a(1) =1a(2) =1a(3) =2a(4) =2a(5) =1a(6) =2a(7) =2a(8) =3a(9) =3a(10) =2a(11) =3a(12) =3a(13) =4a(14) =1a(15) =2a(16) =2a(17) =3a(18) =3a(19) =2a(20) =3a(21) =3a(22) =4a(23) =4a(24) =3a(25) =4a(26) =4a(27) =5a(28) =2a(29) =3