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Search: id:A162454
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| A162454 |
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p!! = 2*3*5*7*11*...*p. This sequence consists of primes of the form (p!!)^2 + p!! + 1. |
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1
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OFFSET
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1,1
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COMMENT
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Generated from p!! = A002110(j) at j= 1, 2, 6, 115, 152,... [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 10 2009]
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MATHEMATICA
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Table[(Product[Prime[i], {i, 1, j}])^2 + Product[Prime[i], {i, 1, j}]+1, {j, 1, 10}];
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CROSSREFS
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Sequence in context: A015463 A048605 A165210 this_sequence A026116 A037531 A094113
Adjacent sequences: A162451 A162452 A162453 this_sequence A162455 A162456 A162457
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KEYWORD
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nonn,bref
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AUTHOR
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Daniel Tisdale (daniel6874(AT)gmail.com), Jul 03 2009
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