log(cosh(x)+arcsinh(x))=x-2/3!*x^3+8/4!*x^4-12/5!*x^5-48/6!*x^6...
A013190
log(cosh(x)+arcsinh(x))=x-2/3!*x^3+8/4!*x^4-12/5!*x^5-48/6!*x^6...
Terms
- a(0) =0a(1) =1a(2) =0a(3) =-2a(4) =8a(5) =-12a(6) =-48a(7) =432a(8) =-2112a(9) =10000a(10) =14080a(11) =-1500512a(12) =17517568a(13) =-18269760a(14) =-1666201600a(15) =16350361856a(16) =-45064462336a(17) =922523568384
External references
- oeis: A013190