log(sech(x)+log(x+1)) = x - 3/2!*x^2 + 10/3!*x^3 - 51/4!*x^4 + 373/5!*x^5 + ...
A013201
log(sech(x)+log(x+1)) = x - 3/2!*x^2 + 10/3!*x^3 - 51/4!*x^4 + 373/5!*x^5 + ...
Terms
- a(0) =0a(1) =1a(2) =-3a(3) =10a(4) =-51a(5) =373a(6) =-3305a(7) =34543a(8) =-421722a(9) =5884933a(10) =-92262997a(11) =1606210571a(12) =-30753868288a(13) =642299748231
External references
- oeis: A013201