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A128362 a(n) = least k such that the remainder when 22^k is divided by k is n. 17
3, 5, 19, 6, 17, 478, 25, 14, 13, 18, 187, 118, 15, 94, 1032913, 20, 64311245, 466, 3543, 58, 305197, 23, 1535, 46, 10623, 458, 5099785, 36, 2723, 454, 10617, 226, 55, 87, 35459, 140, 45, 446, 1373093, 51, 3604637279, 65, 75, 110, 23299, 57, 305, 52, 10599 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
t = Table[0, {10000}]; k = 1; While[k < 4000000000, a = PowerMod[22, k, k]; If[a < 10001 && t[[a]] == 0, t[[a]] = k; Print[{a, k}]]; k++ ]; t (* Robert G. Wilson v, Jun 26 2009 *)
CROSSREFS
Sequence in context: A348778 A270894 A272317 * A272283 A053484 A272092
KEYWORD
hard,nonn
AUTHOR
Alexander Adamchuk, Feb 27 2007
EXTENSIONS
a(15) - a(40) from Robert G. Wilson v, Jun 26 2009
a(41) - a(49) from Robert G. Wilson v, Jun 27 2009
STATUS
approved

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Last modified March 19 03:21 EDT 2024. Contains 370952 sequences. (Running on oeis4.)