Triangle T(n,k) = |Re|+|Im| where Re+i*Im is the complex coefficient of [x^k] of the series (1-x)^(n+1) * Sum_{k>=0} ((1+i)*k+i)^n *x^k and i the imaginary unit, row n and column k.
A179086
Triangle T(n,k) = |Re|+|Im| where Re+i*Im is the complex coefficient of [x^k] of the series (1-x)^(n+1) * Sum_{k>=0} ((1+i)*k+i)^n *x^k and i the imaginary unit, row n and column k.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =4a(5) =1a(6) =1a(7) =13a(8) =13a(9) =1a(10) =1a(11) =36a(12) =74a(13) =36a(14) =1a(15) =1a(16) =85a(17) =478a(18) =478a(19) =85a(20) =1a(21) =1a(22) =168a(23) =2331a(24) =3576a(25) =2331a(26) =168a(27) =1a(28) =1a(29) =315
External references
- oeis: A179086