Irregular triangle read by rows: T(n, k) = coefficients of f(n, x), where f(n, x) = (1-x)^(2*n+2) * Sum_{k >=0} (k^n * x^k).
A141581
Irregular triangle read by rows: T(n, k) = coefficients of f(n, x), where f(n, x) = (1-x)^(2*n+2) * Sum_{k >=0} (k^n * x^k).
Terms
- a(0) =1a(1) =-1a(2) =0a(3) =1a(4) =-2a(5) =1a(6) =0a(7) =1a(8) =-2a(9) =0a(10) =2a(11) =-1a(12) =0a(13) =1a(14) =0a(15) =-9a(16) =16a(17) =-9a(18) =0a(19) =1a(20) =0a(21) =1a(22) =6a(23) =-34a(24) =46a(25) =0a(26) =-46a(27) =34a(28) =-6a(29) =-1
External references
- oeis: A141581