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Search: id:A038696
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| A038696 |
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Nextprime(2^0)*nextprime(2^1)*nextprime(2^2)*...*nextprime(2^n). |
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+0
1
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| 2, 6, 30, 330, 5610, 207570, 13907190, 1821841890, 468213365730, 243939163545330, 251501277615235230, 516332122944077927190, 2116445371947775423551810, 17373900058319288451936808290, 285123073857077842784734960847190
(list; graph; listen)
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OFFSET
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0,1
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MATHEMATICA
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Table[Product[Prime[PrimePi[2^i] + 1], {i, 0, n}], {n, 0, 19}] - Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), May 10 2006
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CROSSREFS
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Sequence in context: A106339 A120295 A071350 this_sequence A064847 A127815 A054934
Adjacent sequences: A038693 A038694 A038695 this_sequence A038697 A038698 A038699
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KEYWORD
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nonn
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AUTHOR
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Jeff Burch (gburch(AT)erols.com)
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EXTENSIONS
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One more term from Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), May 10 2006
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