OFFSET
1,2
COMMENTS
It appears that most terms are less than 100.
PROG
(PARI) lista(nn) = {for (n=0, nn, if ((n%3) != 1, my(k=0); while(sumdigits(n+k) != sumdigits(n*k), k++); print1(k, ", "); ); ); } \\ Michel Marcus, Sep 19 2019
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Max Lacoma, Sep 19 2019
STATUS
approved