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Search: id:A053708
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| A053708 |
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Nearest prime to n! (but not equal to n!). |
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+0
1
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| 2, 3, 5, 23, 113, 719, 5039, 40343, 362867, 3628789, 39916801, 479001599, 6227020777, 87178291199, 1307674368043, 20922789888023, 355687428096031, 6402373705728037, 121645100408832089, 2432902008176640029
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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If n! is the average of its closest prime neighbors then the smaller prime is to be chosen (as in A051701).
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EXAMPLE
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For 8!=40320 the closest upper and lower primes are 40289 and 40343 with d=31 and d=23, so 40343 is closer to 8! than the lower neighbor.
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CROSSREFS
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Cf. A033932, A037151, A033933, A006990.
Sequence in context: A080016 A042363 A138655 this_sequence A137070 A084730 A117696
Adjacent sequences: A053705 A053706 A053707 this_sequence A053709 A053710 A053711
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KEYWORD
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nonn
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), Feb 10 2000
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EXTENSIONS
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Corrected by Rick L. Shepherd (rshepherd2(AT)hotmail.com), Jan 11 2006
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