a(n) = floor(A^(C^n)), where A = 2.084551112207285611..., C = 1.221.

A060699

a(n) = floor(A^(C^n)), where A = 2.084551112207285611..., C = 1.221.

Terms

    a(0) =2a(1) =2a(2) =3a(3) =5a(4) =7a(5) =11a(6) =19a(7) =37a(8) =83a(9) =223a(10) =739a(11) =3181a(12) =18911a(13) =166679a(14) =2376391a(15) =60953117a(16) =3202432763a(17) =403823050201

External references