Triangle T(n,k), 1<=k<=n: column k are the coefficients of the INVERT transform of Sum_{i=1..k} i*x^i.
A380886
Triangle T(n,k), 1<=k<=n: column k are the coefficients of the INVERT transform of Sum_{i=1..k} i*x^i.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =1a(4) =5a(5) =8a(6) =1a(7) =11a(8) =17a(9) =21a(10) =1a(11) =21a(12) =42a(13) =50a(14) =55a(15) =1a(16) =43a(17) =100a(18) =128a(19) =138a(20) =144a(21) =1a(22) =85a(23) =235a(24) =323a(25) =358a(26) =370a(27) =377a(28) =1a(29) =171
External references
- oeis: A380886