Triangle T(n,k) of the coefficients [x^n] x^k*(x^5+3*x^4+4*x^3+3*x^2+2*x+1)^k, 1<=k<=n.
A186686
Triangle T(n,k) of the coefficients [x^n] x^k*(x^5+3*x^4+4*x^3+3*x^2+2*x+1)^k, 1<=k<=n.
Terms
- a(0) =1a(1) =2a(2) =1a(3) =3a(4) =4a(5) =1a(6) =4a(7) =10a(8) =6a(9) =1a(10) =3a(11) =20a(12) =21a(13) =8a(14) =1a(15) =1a(16) =31a(17) =56a(18) =36a(19) =10a(20) =1a(21) =0a(22) =38a(23) =120a(24) =120a(25) =55a(26) =12a(27) =1a(28) =0a(29) =38
External references
- oeis: A186686