E.g.f. satisfies: A(x) = (1 + sin(x*A(x))) / cos(x*A(x)).
A290579
E.g.f. satisfies: A(x) = (1 + sin(x*A(x))) / cos(x*A(x)).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =17a(4) =145a(5) =1661a(6) =23947a(7) =416765a(8) =8504865a(9) =199200985a(10) =5268047411a(11) =155282897065
External references
- oeis: A290579