Triangle T(n,k) with the coefficient [x^k] of the series (-1)^(n+1) * (x-1)^(n+1) * Sum_{j>=0} (5+8*j)^n*x^j in row n, column k.
A178640
Triangle T(n,k) with the coefficient [x^k] of the series (-1)^(n+1) * (x-1)^(n+1) * Sum_{j>=0} (5+8*j)^n*x^j in row n, column k.
Terms
- a(0) =1a(1) =5a(2) =3a(3) =25a(4) =94a(5) =9a(6) =125a(7) =1697a(8) =1223a(9) =27a(10) =625a(11) =25436a(12) =57926a(13) =14236a(14) =81a(15) =3125a(16) =352543a(17) =1903218a(18) =1513438a(19) =159593a(20) =243a(21) =15625a(22) =4717434a(23) =52306583a(24) =95276588a(25) =34660263a(26) =1766458a(27) =729a(28) =78125a(29) =62123517
External references
- oeis: A178640