Search: a105876 -id:a105876
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A216371
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Odd primes with one coach: primes p such that A135303((p-1)/2) = 1.
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13
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3, 5, 7, 11, 13, 19, 23, 29, 37, 47, 53, 59, 61, 67, 71, 79, 83, 101, 103, 107, 131, 139, 149, 163, 167, 173, 179, 181, 191, 197, 199, 211, 227, 239, 263, 269, 271, 293, 311, 317, 347, 349, 359, 367, 373, 379, 383, 389, 419, 421, 443, 461, 463, 467, 479, 487
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A302141
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Multiplicative order of 16 mod 2n+1.
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4
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1, 1, 1, 3, 3, 5, 3, 1, 2, 9, 3, 11, 5, 9, 7, 5, 5, 3, 9, 3, 5, 7, 3, 23, 21, 2, 13, 5, 9, 29, 15, 3, 3, 33, 11, 35, 9, 5, 15, 39, 27, 41, 2, 7, 11, 3, 5, 9, 12, 15, 25, 51, 3, 53, 9, 9, 7, 11, 3, 6, 55, 5, 25, 7, 7, 65, 9, 9, 17, 69, 23, 15, 7, 21, 37, 15, 6, 5, 13, 13, 33, 81, 5, 83, 39, 9, 43, 15, 29, 89, 45, 15, 9, 10, 9, 95, 24, 3, 49, 99, 33
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A114564
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Numbers of the form n=12s+7, where q=4s+3 is a prime for which the order of 2 is either q-1 or (q-1)/2.
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1
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7, 19, 31, 55, 67, 139, 175, 199, 211, 235, 247, 307, 319, 391, 415, 487, 499, 535, 571, 595, 631, 679, 715, 787, 811, 931, 1039, 1075, 1099, 1135, 1147, 1255, 1327, 1387, 1399, 1435, 1459, 1471, 1507, 1567, 1639, 1687, 1759, 1795, 1819, 1855
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A167800
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Numbers with primitive root -4.
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19
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3, 7, 9, 11, 19, 23, 27, 47, 49, 59, 67, 71, 79, 81, 83, 103, 107, 121, 131, 139, 163, 167, 179, 191, 199, 211, 227, 239, 243, 263, 271, 311, 343, 347, 359, 361, 367, 379, 383, 419, 443, 463, 467, 479, 487, 491, 503, 523, 529, 547, 563, 587, 599, 607, 619, 647
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