Triangle of coefficients of polynomials u(n,x) jointly generated with A209140; see the Formula section.

A209139

Triangle of coefficients of polynomials u(n,x) jointly generated with A209140; see the Formula section.

Terms

    a(0) =1a(1) =2a(2) =1a(3) =3a(4) =5a(5) =3a(6) =5a(7) =12a(8) =15a(9) =7a(10) =8a(11) =27a(12) =45a(13) =42a(14) =17a(15) =13a(16) =55a(17) =119a(18) =151a(19) =116a(20) =41a(21) =21a(22) =108a(23) =282a(24) =458a(25) =480a(26) =315a(27) =99a(28) =34a(29) =205

External references