Expansion of e.g.f. Sum_{k>=1} (sec(x^k) + tan(x^k) - 1).
A330527
Expansion of e.g.f. Sum_{k>=1} (sec(x^k) + tan(x^k) - 1).
Terms
- a(0) =1a(1) =3a(2) =8a(3) =41a(4) =136a(5) =1381a(6) =5312a(7) =70265a(8) =491776a(9) =5977561a(10) =40270592a(11) =1021246445a(12) =6249389056a(13) =135671657941
External references
- oeis: A330527