Irregular triangle read by rows: T(n,k) = binomial(n-k, k), n >= 0, 0 <= k <= floor(n/2); or, coefficients of (one version of) Fibonacci polynomials.
A011973
Irregular triangle read by rows: T(n,k) = binomial(n-k, k), n >= 0, 0 <= k <= floor(n/2); or, coefficients of (one version of) Fibonacci polynomials.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =2a(6) =1a(7) =3a(8) =1a(9) =1a(10) =4a(11) =3a(12) =1a(13) =5a(14) =6a(15) =1a(16) =1a(17) =6a(18) =10a(19) =4a(20) =1a(21) =7a(22) =15a(23) =10a(24) =1a(25) =1a(26) =8a(27) =21a(28) =20a(29) =5
External references
- oeis: A011973