Triangle of coefficients of p(x,n) = (1/3)*(1-x)^(n+1)*Sum_{m >= 0} ((5*m+4)^n - (5*m+1)^n)*x^m, read by rows.

A154855

Triangle of coefficients of p(x,n) = (1/3)*(1-x)^(n+1)*Sum_{m >= 0} ((5*m+4)^n - (5*m+1)^n)*x^m, read by rows.

Terms

    a(0) =0a(1) =1a(2) =-1a(3) =5a(4) =0a(5) =-5a(6) =21a(7) =87a(8) =-87a(9) =-21a(10) =85a(11) =1330a(12) =0a(13) =-1330a(14) =-85a(15) =341a(16) =15045a(17) =28160a(18) =-28160a(19) =-15045a(20) =-341a(21) =1365a(22) =152040a(23) =816825a(24) =0a(25) =-816825a(26) =-152040a(27) =-1365a(28) =5461a(29) =1457323

External references