Triangle of coefficients of polynomials u(n,x) jointly generated with A209820; see the Formula section.

A209819

Triangle of coefficients of polynomials u(n,x) jointly generated with A209820; see the Formula section.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =1a(4) =5a(5) =7a(6) =1a(7) =5a(8) =17a(9) =17a(10) =1a(11) =5a(12) =21a(13) =53a(14) =41a(15) =1a(16) =5a(17) =21a(18) =81a(19) =157a(20) =99a(21) =1a(22) =5a(23) =21a(24) =89a(25) =289a(26) =449a(27) =239a(28) =1a(29) =5

External references