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A269724
Numbers which contain no 2's when written in bases 3 through 10.
1
0, 1, 3, 4, 31, 58130496, 58130499, 58130500, 58130703, 58183951, 77810815551163745898450783, 77810815551163745898451143, 61819635578801174196008456415, 61819635578801174196008574451, 61819635578801174196008574771
OFFSET
1,3
COMMENTS
There are 134 known terms. If a(135) exists, it must exceed 10^2300.
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
Sequence in context: A042653 A219679 A042431 * A296250 A032834 A025140
KEYWORD
nonn,base
AUTHOR
Nathan Fox, Mar 03 2016
STATUS
approved