Hans Haverman wrote:
> 1355 *is* the next term in A064228,...
Whoa! 1355 can't be in A064228, unless it's in A005132.
However, we can say that one of { 1355, 1643, 1814, 2405, 2406, 2426,
2520, 2991, 3378 } is next: those are the smallest absent numbers when
879 occurs, and 3378 appears at the 1032996th position.
--
Don Reble djr at nk.ca