Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 3 + 3*x, p(n,x) = u*p(n-1,x) + v*p(n-2,x) for n >= 3, where u = p(2,x), v = 1 - 2*x - x^2.
A367301
Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 3 + 3*x, p(n,x) = u*p(n-1,x) + v*p(n-2,x) for n >= 3, where u = p(2,x), v = 1 - 2*x - x^2.
Terms
- a(0) =1a(1) =3a(2) =3a(3) =10a(4) =16a(5) =8a(6) =33a(7) =75a(8) =63a(9) =21a(10) =109a(11) =320a(12) =380a(13) =220a(14) =55a(15) =360a(16) =1296a(17) =1980a(18) =1620a(19) =720a(20) =144a(21) =1189a(22) =5070a(23) =9459a(24) =9940a(25) =6255a(26) =2262a(27) =377a(28) =3927a(29) =19353
External references
- oeis: A367301