OFFSET
0,3
COMMENTS
Conjecture: essentially partial sums of A106036 (verified for n <= 10000). - Sean A. Irvine, Jul 19 2022
LINKS
Sean A. Irvine, Table of n, a(n) for n = 0..9999
FORMULA
The set {k*3^(m+1) + (3^m-1)/2 with k >= 0 and m >= 1}.
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Joel Reyes Noche (joel.noche(AT)up.edu.ph), Mar 26 2008
EXTENSIONS
More terms from Sean A. Irvine, Jul 19 2022
STATUS
approved