A067939 Let rep(n) be the n-th repunit number; sequence gives values of n such that rep(n) == rep(6) (mod n).

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 22, 24, 25, 30, 32, 40, 41, 42, 44, 48, 50, 60, 64, 66, 75, 78, 80, 84, 88, 96, 100, 102, 110, 111, 114, 120, 125, 132, 138, 150, 156, 160, 168, 174, 176, 186, 192, 200, 202, 210, 220, 222, 240, 246, 250, 258, 264, 271, 282

Offset

1,2

Links

Table of n, a(n) for n=1..61.

Crossrefs

Cf. A002275.

Sequence in context: A064481 A336505 A303704 * A067784 A324107 A018744

Adjacent sequences: A067936 A067937 A067938 * A067940 A067941 A067942

Keyword

easy,nonn

Author

Benoit Cloitre, Mar 05 2002

Status

approved