Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of e.g.f.: exp(Product_{j=1..n} 1/(1-x^j) - 1).
A294212
Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of e.g.f.: exp(Product_{j=1..n} 1/(1-x^j) - 1).
Terms
- a(0) =1a(1) =1a(2) =0a(3) =1a(4) =1a(5) =0a(6) =1a(7) =1a(8) =3a(9) =0a(10) =1a(11) =1a(12) =5a(13) =13a(14) =0a(15) =1a(16) =1a(17) =5a(18) =25a(19) =73a(20) =0a(21) =1a(22) =1a(23) =5a(24) =31a(25) =193a(26) =501a(27) =0a(28) =1a(29) =1
External references
- oeis: A294212