Triangle of coefficients of polynomials defined by Binet form: P(n,x) = ((x+d)^n + (x-d)^n)/2, where d=sqrt(x+4).
A162516
Triangle of coefficients of polynomials defined by Binet form: P(n,x) = ((x+d)^n + (x-d)^n)/2, where d=sqrt(x+4).
Terms
- a(0) =1a(1) =1a(2) =0a(3) =1a(4) =1a(5) =4a(6) =1a(7) =3a(8) =12a(9) =0a(10) =1a(11) =6a(12) =25a(13) =8a(14) =16a(15) =1a(16) =10a(17) =45a(18) =40a(19) =80a(20) =0a(21) =1a(22) =15a(23) =75a(24) =121a(25) =252a(26) =48a(27) =64a(28) =1a(29) =21
External references
- oeis: A162516