Expansion of e.g.f. 1/(1 - x*cosh(x))^2.
A381206
Expansion of e.g.f. 1/(1 - x*cosh(x))^2.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =30a(4) =192a(5) =1450a(6) =12960a(7) =133574a(8) =1550976a(9) =20055186a(10) =285903360a(11) =4452231982a(12) =75186726912
External references
- oeis: A381206