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A103886
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Rearrangement of prime numbers p according to number of divisors of p-/+1.
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1
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2, 7, 13, 3, 19, 31, 5, 41, 37, 11, 103, 43, 17, 137, 61, 23, 199, 67, 29, 307, 73, 47, 349, 97, 53, 491, 101, 59, 739, 109
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| Number of divisors of p-1 (less than, equals and larger than) number of divisors of p+1. A103887 - position of p(n) in the sequence.
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FORMULA
| a(3k-2)=A103664(k); a(3k-1)=A067889(k); a(3k)=A103665(k); (k=1, 2, ...)
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MATHEMATICA
| Table[{A103664[[n]], A067889[[n]], A103665[[n]]}, {n, 10}]//Flatten
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CROSSREFS
| Cf. A067889, A103664, A103665, A103887.
Sequence in context: A084068 A192772 A046243 * A130710 A145300 A018322
Adjacent sequences: A103883 A103884 A103885 * A103887 A103888 A103889
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KEYWORD
| nonn
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AUTHOR
| Zak Seidov (zakseidov(AT)yahoo.com), Feb 20 2005
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