Triangle, read by rows, that transforms rows into diagonals in the table A158825 of coefficients in successive iterations of x*Catalan(x) (cf. A000108).

A166905

Triangle, read by rows, that transforms rows into diagonals in the table A158825 of coefficients in successive iterations of x*Catalan(x) (cf. A000108).

Terms

    a(0) =1a(1) =1a(2) =1a(3) =6a(4) =4a(5) =1a(6) =54a(7) =33a(8) =9a(9) =1a(10) =640a(11) =380a(12) =108a(13) =16a(14) =1a(15) =9380a(16) =5510a(17) =1610a(18) =270a(19) =25a(20) =1a(21) =163576a(22) =95732a(23) =28560a(24) =5148a(25) =570a(26) =36a(27) =1a(28) =3305484a(29) =1933288

External references