OFFSET
1,1
LINKS
Julien Leroy, Michel Rigo, and Manon Stipulanti, Behavior of Digital Sequences Through Exotic Numeration Systems, Electronic Journal of Combinatorics 24(1) (2017), #P1.44. See Example 19.
FORMULA
a(n) = 2^(n+1) + 2*floor((Pi-3)*2^n) + 1. - Michel Marcus, Oct 29 2023
PROG
(PARI) a(n) = 2^(n+1) + 2*floor((Pi-3)*2^n) + 1; \\ Michel Marcus, Oct 29 2023
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Mar 03 2017
EXTENSIONS
More terms from Michel Marcus, Oct 29 2023
STATUS
approved