sech(sin(x)-tanh(x))=1-10/6!*x^6+840/8!*x^8-60870/10!*x^10...
A013387
sech(sin(x)-tanh(x))=1-10/6!*x^6+840/8!*x^8-60870/10!*x^10...
Terms
- a(0) =1a(1) =0a(2) =0a(3) =-10a(4) =840a(5) =-60870a(6) =5042180a(7) =-535134730a(8) =75998689520
External references
- oeis: A013387