A096682 Least k such that decimal representation of k*n contains only digits 0 and 3.

3, 15, 1, 75, 6, 5, 429, 375, 37, 3, 3, 25, 231, 2145, 2, 1875, 1959, 185, 1737, 15, 143, 15, 14361, 125, 12, 1155, 12345679, 10725, 113907, 1, 10743, 9375, 1, 9795, 858, 925, 9, 8685, 77, 75, 813, 715, 76821, 75, 74, 71805, 639, 625, 67347, 6, 653, 5775, 5661

Offset: 1

Author

Ray Chandler, Jul 12 2004

Keywords

• base
• nonn

Links

• Robert G. Wilson v, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A004290, A078241-A078248, A079339, A096681-A096688.

Formula

a(n) = A078242(n)/n.