A140231 a(n) = ceiling(e^(n*(1+sqrt(5))/2)).

6, 26, 129, 647, 3263, 16453, 82971, 418433, 2110227, 10642223, 53670491, 270669172, 1365029469, 6884069717, 34717503879, 175086122783, 882988319045, 4453056354096, 22457500812922, 113256896535457, 571173289481198

Offset: 1

Author

Mohammad K. Azarian, May 13 2008

Keywords

• nonn

Crossrefs

Cf. A139341, A140232, A140233.

Programs

Mathematica

Table[Ceiling[E^(n*GoldenRatio)],{n,30}] (* Harvey P. Dale, Mar 12 2015 *)