Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 1 + 2*x, p(n,x) = u*p(n-1,x) + v*p(n-2,x) for n >= 3, where u = p(2,x), v = 1 + x^2.
A368156
Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 1 + 2*x, p(n,x) = u*p(n-1,x) + v*p(n-2,x) for n >= 3, where u = p(2,x), v = 1 + x^2.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =2a(4) =4a(5) =5a(6) =3a(7) =10a(8) =14a(9) =12a(10) =5a(11) =20a(12) =41a(13) =44a(14) =29a(15) =8a(16) =40a(17) =98a(18) =148a(19) =131a(20) =70a(21) =13a(22) =76a(23) =224a(24) =408a(25) =497a(26) =376a(27) =169a(28) =21a(29) =142
External references
- oeis: A368156