E.g.f. 1/(cos(sqrt(3)*x) - sin(sqrt(3)*x)/sqrt(3)).

A182825

E.g.f. 1/(cos(sqrt(3)*x) - sin(sqrt(3)*x)/sqrt(3)).

Terms

    a(0) =1a(1) =1a(2) =5a(3) =21a(4) =153a(5) =1209a(6) =12285a(7) =140589a(8) =1871217a(9) =27773361a(10) =460041525a(11) =8363802501a(12) =166064229513

External references