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Search: id:A046728
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| A046728 |
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Let p1, p2 be first pair of consecutive primes with difference 2n; let p3, p4 be 2nd such pair; sequence gives "wadi" value p3-p1. |
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+0
2
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| 2, 6, 8, 270, 42, 12, 180, 102, 546, 750, 822, 510, 660, 300, 534, 5208, 7140, 3302, 7800, 1476, 18840, 20706, 9570, 44960, 13986, 5862, 4672, 71118, 14538, 59370, 7156348, 17688, 59184, 155736, 1782, 328694, 110370, 119616, 93402, 76116
(list; graph; listen)
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OFFSET
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1,1
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REFERENCES
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Enoch Haga, Exploring Prime Numbers on Your PC, 2nd edition, 1998, ISBN 1-885794-16-9, Table 5, pages 40-41.
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EXAMPLE
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First consecutive prime pair having difference 60 is p1=43331, p2=43391; next is p3=102701, p4=102761; so a(30)=102701-43331=59370.
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CROSSREFS
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Cf. A038460, A038343. a(i)=b(i)-c(i) where b(i) is A046789 and c(i) is A000230.
Sequence in context: A002176 A124675 A120709 this_sequence A110984 A021792 A154468
Adjacent sequences: A046725 A046726 A046727 this_sequence A046729 A046730 A046731
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KEYWORD
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nonn
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AUTHOR
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Enoch Haga (Enokh(AT)comcast.net)
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EXTENSIONS
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More terms from Jud McCranie j.mccranie(AT)comcast.net.
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