Signed triangle of D'Arcais numbers (A008298) : coefficients of r in the polynomials generated by the series coefficients of z^n in Product[(1-z^k)^r, {k,1,Inf}]*(n!).
A078521
Signed triangle of D'Arcais numbers (A008298) : coefficients of r in the polynomials generated by the series coefficients of z^n in Product[(1-z^k)^r, {k,1,Inf}]*(n!).
Terms
- a(0) =1a(1) =0a(2) =-1a(3) =0a(4) =-3a(5) =1a(6) =0a(7) =-8a(8) =9a(9) =-1a(10) =0a(11) =-42a(12) =59a(13) =-18a(14) =1a(15) =0a(16) =-144a(17) =450a(18) =-215a(19) =30a(20) =-1a(21) =0a(22) =-1440a(23) =3394a(24) =-2475a(25) =565a(26) =-45a(27) =1a(28) =0a(29) =-5760
External references
- oeis: A078521