A265143 Least positive integer n having only the digits 0 or 1 in base 3, such that the product with A263488(n) also has only digits 0 or 1 in base 3.

1, 1, 1, 4, 1, 1, 1, 1, 13, 4, 37, 13, 1, 1, 1, 1, 31, 1, 1, 1, 1, 40, 13, 118, 4, 4, 4, 37, 109, 4, 10, 13, 10, 40, 1, 1, 1, 1, 4, 1, 1, 1, 1, 31, 10, 31, 2548, 6898, 1, 1, 1, 1, 256, 1, 1, 1, 1, 121, 40, 1081, 13, 13, 1081, 118, 352, 112, 121, 4, 37, 13, 4, 4, 4, 1054, 13, 37, 27004, 109, 325, 4, 26500, 4, 280, 7546, 121, 10, 10, 31, 13, 271

Offset

1,4

Comments

The sequence A263488 are those n that can be written as the quotient of two elements of A005836. The two corresponding elements of A005836 for A263488(i) are therefore A265143(i)*A263488(i) and A265143(i).

Links

Jeffrey Shallit, Table of n, a(n) for n = 1..399

Crossrefs

Cf. A005836, A263488, A265143.

Sequence in context: A056623 A038025 A079982 * A181873 A229293 A269443

Adjacent sequences: A265140 A265141 A265142 * A265144 A265145 A265146

Keyword

nonn,base

Author

Jeffrey Shallit, Dec 02 2015

Status

approved