OFFSET
0,2
COMMENTS
If n has an even number of digits in base 5 then a(n) is a multiple of 6.
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..10000
FORMULA
a(n) = n + A030104(n).
MATHEMATICA
Table[n + IntegerReverse[n, 5], {n, 0, 100}] (* Paolo Xausa, Aug 07 2024 *)
CROSSREFS
KEYWORD
AUTHOR
Henry Bottomley, Jul 18 2000
STATUS
approved