Expansion of e.g.f. exp( Sum_{k>=0} x^(4*k+3) / (4*k+3) ).
A365973
Expansion of e.g.f. exp( Sum_{k>=0} x^(4*k+3) / (4*k+3) ).
Terms
- a(0) =1a(1) =0a(2) =0a(3) =2a(4) =0a(5) =0a(6) =40a(7) =720a(8) =0a(9) =2240a(10) =172800a(11) =3628800a(12) =246400a(13) =49420800a(14) =3531340800a(15) =87223136000a(16) =18450432000
External references
- oeis: A365973