a(n) = numerator(b(n)), where b(n) = b(n-1)/(1 + b(n-2)) with b(0) = 0 and b(1) = 1.

A375742

a(n) = numerator(b(n)), where b(n) = b(n-1)/(1 + b(n-2)) with b(0) = 0 and b(1) = 1.

Terms

    a(0) =0a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =2a(7) =4a(8) =12a(9) =20a(10) =140a(11) =2380a(12) =30940a(13) =4053140a(14) =976806740

External references