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A073943 a(n) = smallest m such that n-th prime divides m^m + 1. 0
1, 5, 2, 3, 21, 6, 24, 27, 11, 14, 15, 6, 25, 63, 23, 26, 117, 30, 99, 35, 9, 39, 165, 11, 6, 10, 51, 213, 54, 7, 63, 261, 174, 23, 74, 33, 78, 27, 83, 86, 357, 30, 95, 12, 14, 11, 15, 111, 453, 18, 12, 119, 90, 501, 4, 131, 82, 135, 117, 60, 45, 138, 51, 95, 54, 114, 75 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

EXAMPLE

6th prime is 13 and 13 first divides 6^6 + 1 = 46657, so a(6) = 6.

CROSSREFS

Cf. A014566.

Sequence in context: A160080 A026247 A105269 * A193797 A019901 A187059

Adjacent sequences:  A073940 A073941 A073942 * A073944 A073945 A073946

KEYWORD

easy,nonn

AUTHOR

Jason Earls (zevi_35711(AT)yahoo.com), Nov 13 2002

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Last modified February 14 18:03 EST 2012. Contains 205662 sequences.