OFFSET
1,1
LINKS
Robert Israel, Table of n, a(n) for n = 1..630
MAPLE
select(n -> convert(convert(n, base, 10), `+`)::even, [seq(6^i, i=1..100)]); # Robert Israel, Apr 20 2020
CROSSREFS
KEYWORD
base,easy,nonn
AUTHOR
Amarnath Murthy, Feb 11 2002
EXTENSIONS
Offset changed by Robert Israel, Apr 20 2020
STATUS
approved