Triangle, read by rows, where the n-th row lists the (n^2+1) coefficients of (1+2*x+...+(n+1)*x^n)^n.
A329709
Triangle, read by rows, where the n-th row lists the (n^2+1) coefficients of (1+2*x+...+(n+1)*x^n)^n.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =1a(4) =4a(5) =10a(6) =12a(7) =9a(8) =1a(9) =6a(10) =21a(11) =56a(12) =111a(13) =174a(14) =219a(15) =204a(16) =144a(17) =64a(18) =1a(19) =8a(20) =36a(21) =120a(22) =330a(23) =768a(24) =1544a(25) =2728a(26) =4275a(27) =5920a(28) =7256a(29) =7848
External references
- oeis: A329709