Expansion of e.g.f. exp( Sum_{n>=0} x^(4*n+1)/(4*n+1) ).
A193438
Expansion of e.g.f. exp( Sum_{n>=0} x^(4*n+1)/(4*n+1) ).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =25a(6) =145a(7) =505a(8) =1345a(9) =43345a(10) =481825a(11) =3027025a(12) =13679425a(13) =528618025a(14) =8796735025a(15) =81517983625a(16) =529655946625
External references
- oeis: A193438