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A116893
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Numbers n such that GCD(n!+1, n^n+1) > 1.
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3
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1, 3, 23, 39, 51, 63, 95, 99, 131, 183, 191, 215, 239, 251, 299, 303, 315, 363, 371, 411, 419, 431, 443, 495, 543, 575, 659, 683, 711, 743, 755, 791, 831, 891, 911, 935, 975, 1019, 1031, 1055, 1071, 1143, 1155, 1191, 1211, 1223, 1251, 1275, 1295, 1355
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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COMMENTS
| See A116892 for the corresponding values of the GCD.
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EXAMPLE
| GCD(1!+1,1^1+1)=2, GCD(2!+1,2^2+1)=1 and GCD(3!+1,3^3+1)=7, so 1 and 3 are the first two terms of the sequence.
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MATHEMATICA
| Select[Range[1500], (GCD[ #!+1, #^#+1] > 1)&]
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CROSSREFS
| Cf. A014566, A038507, A067658, A116891, A116892, A116894.
Sequence in context: A138465 A006598 A106892 * A106066 A167216 A117738
Adjacent sequences: A116890 A116891 A116892 * A116894 A116895 A116896
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KEYWORD
| easy,nonn
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AUTHOR
| Giovanni Resta (g.resta(AT)iit.cnr.it), Mar 01 2006
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