Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of Product_{j>=1} (1 + x^j)^sigma_k(j).
A321877
Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of Product_{j>=1} (1 + x^j)^sigma_k(j).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =2a(6) =1a(7) =1a(8) =3a(9) =4a(10) =1a(11) =1a(12) =5a(13) =7a(14) =6a(15) =1a(16) =1a(17) =9a(18) =15a(19) =14a(20) =10a(21) =1a(22) =1a(23) =17a(24) =37a(25) =41a(26) =28a(27) =17a(28) =1a(29) =1
External references
- oeis: A321877