Numerators of coefficients of expansion of sinh(x)/sin(x) (even powers only).

A069853

Numerators of coefficients of expansion of sinh(x)/sin(x) (even powers only).

Terms

    a(0) =1a(1) =1a(2) =1a(3) =13a(4) =17a(5) =97a(6) =1247a(7) =4937a(8) =6673a(9) =1058467a(10) =1380290071a(11) =3216636877a(12) =536799743a(14) =448402165451

External references