G.f.: A(q) = exp( Sum_{n>=1} A002129(n) * 2*A006519(n) * q^n/n ).
A161800
G.f.: A(q) = exp( Sum_{n>=1} A002129(n) * 2*A006519(n) * q^n/n ).
Terms
- a(0) =1a(1) =2a(2) =0a(3) =0a(4) =-6a(5) =-16a(6) =0a(7) =0a(8) =-8a(9) =18a(10) =0a(11) =0a(12) =112a(13) =176a(14) =0a(15) =0a(16) =-86a(17) =-544a(18) =0a(19) =0a(20) =-752a(21) =-160a(22) =0a(23) =0a(24) =1360a(25) =2834a(26) =0a(27) =0a(28) =1216a(29) =-5104
External references
- oeis: A161800