Triangle read by rows: numerators of Cotesian numbers C(n,k) (0 <= k <= n).

Terms

a(0) =0a(1) =1a(2) =1a(3) =1a(4) =2a(5) =1a(6) =1a(7) =3a(8) =3a(9) =1a(10) =7a(11) =16a(12) =2a(13) =16a(14) =7a(15) =19a(16) =25a(17) =25a(18) =25a(19) =25a(20) =19a(21) =41a(22) =9a(23) =9a(24) =34a(25) =9a(26) =9a(27) =41a(28) =751a(29) =3577