Triangle of coefficients of polynomials v(n,x) jointly generated with A209575; see the Formula section.

A209576

Triangle of coefficients of polynomials v(n,x) jointly generated with A209575; see the Formula section.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =1a(4) =4a(5) =10a(6) =1a(7) =4a(8) =18a(9) =22a(10) =1a(11) =4a(12) =18a(13) =66a(14) =46a(15) =1a(16) =4a(17) =18a(18) =82a(19) =206a(20) =94a(21) =1a(22) =4a(23) =18a(24) =82a(25) =342a(26) =578a(27) =190a(28) =1a(29) =4

External references