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A329109
Numbers k such that 1/k and 1/(k+1) have repeating non-terminating decimal representations with the same length.
0
13, 77, 104, 158, 259, 350, 397, 1095, 1213, 1453, 1687, 1924, 2079, 2169, 2426, 2427, 2557, 2794, 2797, 3517, 3653, 3733, 4081, 4441, 4803, 5077, 5423, 5437, 6037, 6083, 6133, 6638, 7323, 7933, 8127, 9268, 9393
OFFSET
1,1
COMMENTS
These are numbers k such that A051626(k) = A051626(k+1) > 0.
EXAMPLE
1/13 and 1/14 both repeat with period 6, so 13 is in the sequence.
CROSSREFS
Cf. A051626.
Sequence in context: A283539 A060717 A044200 * A044581 A126423 A072474
KEYWORD
nonn,base
AUTHOR
Jud McCranie, Nov 04 2019
STATUS
approved