OFFSET
1,2
COMMENTS
Sequence includes all positive integers not of the form 27k + 13.
FORMULA
a(n) = +a(n-1) +a(n-26) -a(n-27). - R. J. Mathar, Aug 31 2010
EXAMPLE
a(25) = 26 because (27/26)*25 is 25.9615384615384...
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
J. Lowell, Aug 05 2010
STATUS
approved