Triangle of coefficients of polynomials u(n,x) jointly generated with A209136; see the Formula section.

A209135

Triangle of coefficients of polynomials u(n,x) jointly generated with A209136; see the Formula section.

Terms

    a(0) =1a(1) =2a(2) =1a(3) =3a(4) =5a(5) =3a(6) =4a(7) =14a(8) =16a(9) =5a(10) =5a(11) =30a(12) =54a(13) =39a(14) =11a(15) =6a(16) =55a(17) =144a(18) =171a(19) =98a(20) =21a(21) =7a(22) =91a(23) =329a(24) =561a(25) =503a(26) =229a(27) =43a(28) =8a(29) =140

External references