Triangle of coefficients of polynomials u(n,x) jointly generated with A209134; see the Formula section.

A209133

Triangle of coefficients of polynomials u(n,x) jointly generated with A209134; see the Formula section.

Terms

    a(0) =1a(1) =2a(2) =1a(3) =2a(4) =5a(5) =4a(6) =2a(7) =9a(8) =18a(9) =10a(10) =2a(11) =13a(12) =40a(13) =56a(14) =28a(15) =2a(16) =17a(17) =70a(18) =154a(19) =176a(20) =76a(21) =2a(22) =21a(23) =108a(24) =320a(25) =564a(26) =540a(27) =208a(28) =2a(29) =25

External references