OFFSET
1,3
COMMENTS
There are 134 known terms. If a(135) exists, it must exceed 10^2300.
LINKS
Nathan Fox, Table of n, a(n) for n = 1..134
PROG
(PARI) isok(n) = {for (b=3, 10, d = digits(n, b); if (vecsearch(vecsort(d, , 8), 2), return (0)); ); 1; } \\ Michel Marcus, Mar 06 2016
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Nathan Fox, Mar 03 2016
STATUS
approved