A004286 Least positive multiple of n written in base 6 using only 0 and 1.

1, 10, 10, 100, 11111, 10, 11, 1000, 100, 111110, 1101, 100, 10111, 110, 111110, 10000, 11001, 100, 101011, 1111100, 110, 11010, 1101, 1000, 111101, 101110, 1000, 1100, 1010111, 111110, 1001, 100000, 11010, 110010, 1111111111, 100, 101, 1010110, 101110, 11111000

Offset: 1

Author

David W. Wilson

Keywords

• nonn
• base

Programs

PARI

a(n) = {k=1; while (vecmax(digits(k*n, 6)) != 1, k++); subst(Pol(digits(k*n, 6)), x, 10);}

Extensions

a(29) corrected by Sean A. Irvine, Dec 26 2015

More terms from Michel Marcus, Dec 27 2015