Triangle of coefficients of polynomials u(n,x) jointly generated with A210228; see the Formula section.

A210227

Triangle of coefficients of polynomials u(n,x) jointly generated with A210228; see the Formula section.

Terms

    a(0) =1a(1) =2a(2) =1a(3) =2a(4) =6a(5) =1a(6) =2a(7) =8a(8) =16a(9) =1a(10) =2a(11) =8a(12) =32a(13) =38a(14) =1a(15) =2a(16) =8a(17) =36a(18) =112a(19) =84a(20) =1a(21) =2a(22) =8a(23) =36a(24) =156a(25) =348a(26) =178a(27) =1a(28) =2a(29) =8

External references