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Search: id:A060842
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| A060842 |
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(C(2p,p)-2)/p^2 where p runs through the primes. |
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+0
2
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| 1, 2, 10, 70, 5830, 61542, 8074762, 97909318, 15564141262, 35751803209918, 484316704740126, 1275478863649106070, 252697549582862416198, 3589806968644540547902, 735944382229592689247902
(list; graph; listen)
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OFFSET
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1,2
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LINKS
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Harry J. Smith, Table of n, a(n) for n=1,...,100
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PROGRAM
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(PARI) { n=0; forprime (p=2, prime(100), write("b060842.txt", n++, " ", (binomial(2*p, p) - 2)/p^2); ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jul 19 2009]
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CROSSREFS
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Sequence in context: A104602 A118748 A118752 this_sequence A111554 A052555 A084844
Adjacent sequences: A060839 A060840 A060841 this_sequence A060843 A060844 A060845
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KEYWORD
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nonn
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AUTHOR
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Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 13 2003
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