Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 1 + 3x, p(n,x) = u*p(n-1,x) + v*p(n-2,x) for n >=3, where u = p(2,x), v = 2 - x^2.

A368151

Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 1 + 3x, p(n,x) = u*p(n-1,x) + v*p(n-2,x) for n >=3, where u = p(2,x), v = 2 - x^2.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =3a(4) =6a(5) =8a(6) =5a(7) =21a(8) =25a(9) =21a(10) =11a(11) =48a(12) =101a(13) =90a(14) =55a(15) =21a(16) =123a(17) =290a(18) =414a(19) =300a(20) =144a(21) =43a(22) =282a(23) =850a(24) =1416a(25) =1551a(26) =954a(27) =377a(28) =85a(29) =657

External references