A014118 Write in binary and read in ternary!.

2, 3, 4, 9, 28, 117, 1063, 59305, 20813950, 297984461349, 1369656755010903367, 44484668455038959221955630581, 2160062633529958340011598192248388618489251093

Offset: 1

Author

Jerry Pietenpol (pietenpo(AT)maryvillecollege.edu)

Keywords

• base
• nonn

Crossrefs

Cf. A007089, A007088.

Programs

Haskell

a014118 n = a014118_list !! (n-1)
a014118_list = iterate (a005836 . (+ 1)) 2
-- Reinhard Zumkeller, Nov 06 2012

Formula

a(n+1) = A005836(a(n)+1). - Reinhard Zumkeller, Nov 06 2012