Nontrivial palindromic denominators in Leibniz's harmonic triangle.

A056238

Nontrivial palindromic denominators in Leibniz's harmonic triangle.

Terms

    a(0) =6a(1) =252a(2) =272a(3) =858a(4) =2772a(5) =4004a(6) =6006a(7) =289982a(8) =2370732a(9) =2629262a(10) =6039306a(11) =27999972a(12) =28233282a(13) =2704884072a(14) =20278187202a(15) =20591819502

External references