Second binomial transform of expansion of exp(2*cosh(x)).

A081563

Second binomial transform of expansion of exp(2*cosh(x)).

Terms

    a(0) =1a(1) =2a(2) =6a(3) =20a(4) =78a(5) =332a(6) =1566a(7) =7940a(8) =43518a(9) =253532a(10) =1573566a(11) =10295540a(12) =71069598a(13) =513897932a(14) =3893187486a(15) =30741656420a(16) =252979075518

External references