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Search: id:A060012
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| A060012 |
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Lesser of irregular twin primes. |
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+0
1
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| 101, 461, 617, 809, 1151, 1619, 1787, 1877, 2381, 2789, 3581, 3851, 4001, 4049, 4259, 4637, 5099, 5441, 5477, 5639, 6449, 6569, 7211, 7487, 7949, 8087, 8219, 8597, 8627, 8837, 9011, 9041, 9431, 10427, 11117, 11351, 11777, 12239, 13217, 13709, 13721
(list; graph; listen)
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OFFSET
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1,1
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MATHEMATICA
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a = 0; Do[p = Prime[ n]; k = 1; While[ 2*k < p - 3 && Mod[ Numerator[ BernoulliB[ 2*k] ], p] != 0, k++ ]; If[ 2*k != p - 3, If[ a + 2 == p, Print[ a] ]; a = p ], {n, 3, 1500}]
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CROSSREFS
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Cf. A000928.
Sequence in context: A031698 A055438 A142692 this_sequence A142507 A131697 A153806
Adjacent sequences: A060009 A060010 A060011 this_sequence A060013 A060014 A060015
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KEYWORD
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nonn
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AUTHOR
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Robert G. Wilson v (rgwv(AT)rgwv.com), Mar 16 2001
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EXTENSIONS
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More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), Apr 01 2005
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