Triangle of coefficients of polynomials u(n,x) jointly generated with A209161; see the Formula section.

A209160

Triangle of coefficients of polynomials u(n,x) jointly generated with A209161; see the Formula section.

Terms

    a(0) =1a(1) =2a(2) =1a(3) =3a(4) =6a(5) =4a(6) =4a(7) =13a(8) =20a(9) =10a(10) =5a(11) =22a(12) =52a(13) =62a(14) =28a(15) =6a(16) =33a(17) =104a(18) =192a(19) =192a(20) =76a(21) =7a(22) =46a(23) =180a(24) =444a(25) =680a(26) =584a(27) =208a(28) =8a(29) =61

External references