Triangle read by rows: T(0,0) = 1; T(n,k) = 3*T(n-1,k) - 2*T(n-2,k-1) for k = 0..floor(n/2); T(n,k)=0 for n or k < 0. Triangle of coefficients of Fermat polynomials.
A303941
Triangle read by rows: T(0,0) = 1; T(n,k) = 3*T(n-1,k) - 2*T(n-2,k-1) for k = 0..floor(n/2); T(n,k)=0 for n or k < 0. Triangle of coefficients of Fermat polynomials.
Terms
- a(0) =1a(1) =3a(2) =9a(3) =-2a(4) =27a(5) =-12a(6) =81a(7) =-54a(8) =4a(9) =243a(10) =-216a(11) =36a(12) =729a(13) =-810a(14) =216a(15) =-8a(16) =2187a(17) =-2916a(18) =1080a(19) =-96a(20) =6561a(21) =-10206a(22) =4860a(23) =-720a(24) =16a(25) =19683a(26) =-34992a(27) =20412a(28) =-4320a(29) =240
External references
- oeis: A303941