

A127819


a(n) = least k such that the remainder when 11^k is divided by k is n.


38



2, 3, 118, 7, 39, 155, 38, 9, 14, 18659, 13, 8153, 92, 1317, 106, 35, 26, 49, 34, 57, 68, 253, 327, 1271, 28, 27, 94, 1633, 46, 161, 415, 1141, 44, 909589, 86, 161015, 119, 1293, 82, 673279, 129, 577679, 4578, 77, 164, 65, 74, 3589, 76, 147, 115
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OFFSET

1,1


LINKS

Daniel Morel, Table of n, a(n) for n = 1..189
Daniel Morel, Robert G. Wilson v et al., Table of n, a(n) for n = 1..10000 with 1 for large entries where a(n) has not yet been found


MATHEMATICA

t = Table[0, {10000} ]; k = 1; While[ k < 4300000000, a = PowerMod[11, k, k]; If[a < 10001 && t[[a]] == 0, t[[a]] = k; Print[{a, k}]]; k++ ]; t
f[n_]:=Module[{k=1}, While[PowerMod[11, k, k]!=n, k++]; k]; Array[f, 51] (* Harvey P. Dale, Mar 12 2013 *)


CROSSREFS

Cf. A036236, A078457, A119678, A119679, A127816, A119715, A119714, A127817, A127818, A127820, A127821.
Sequence in context: A084755 A215238 A356787 * A152838 A208247 A102697
Adjacent sequences: A127816 A127817 A127818 * A127820 A127821 A127822


KEYWORD

nonn


AUTHOR

Alexander Adamchuk, Jan 30 2007


EXTENSIONS

a(52) from Max Alekseyev & Joe K. Crump (joecr(AT)carolina.rr.com), Feb 06 2007
a(108), a(514), a(754), a(808), a(820), a(880), a(934), a(948) added by Daniel Morel, May 18 2010, Jun 17 2010
afile updated by Max Alekseyev, Dec 10 2010
a(112), a(348), a(810) added by Daniel Morel, Mar 12 2015


STATUS

approved



