exp(arctanh(x)*arctanh(x))=1+2/2!*x^2+28/4!*x^4+968/6!*x^6+61584/8!*x^8...
A012756
exp(arctanh(x)*arctanh(x))=1+2/2!*x^2+28/4!*x^4+968/6!*x^6+61584/8!*x^8...
Terms
- a(0) =1a(1) =2a(2) =28a(3) =968a(4) =61584a(5) =6221472a(6) =912779712a(7) =183144253056
External references
- oeis: A012756