Expansion of e.g.f. Product_{k>0} 1/(1-tan(x)^k).

A335627

Expansion of e.g.f. Product_{k>0} 1/(1-tan(x)^k).

Terms

    a(0) =1a(1) =1a(2) =4a(3) =20a(4) =152a(5) =1216a(6) =13264a(7) =145760a(8) =2031872a(9) =28617856a(10) =480749824a(11) =8243878400a(12) =162085486592

External references