E.g.f. satisfies: A(x) = exp( x*(A(x) + 1/A(-x))/2 ).
A199202
E.g.f. satisfies: A(x) = exp( x*(A(x) + 1/A(-x))/2 ).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =10a(4) =53a(5) =376a(6) =3607a(7) =38032a(8) =498409a(9) =7122304a(10) =121691051a(11) =2182921984a(12) =45592175389a(13) =987527547904
External references
- oeis: A199202