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A079708
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Metaprime binary to standard binary conversion series.
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1
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0, 1, 2, 3, 6, 12, 20, 28, 140, 260, 64, 11, 30, 420, 7488, 1922800, 11285855256250575, 54979022626732989863421863670075405480
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,3
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COMMENTS
| Each term in the series is computed by translating the previous term to binary, then re-interpreting the binary expression as a product of metaprimes. Metaprimes follow the form p^(2^n) where p is a prime number and n is a nonnegative integer. See the link for more detailed explanation.
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LINKS
| Will Nicholes, Metaprime binary series.
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FORMULA
| a(0)=0, a(n)=A052330(a(n-1)). - Tomasz Ordowski (ordot(AT)poczta.onet.pl), Jun 20 2005
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EXAMPLE
| 20 (decimal) = 10100 (binary) 10100 (metaprime binary) = 7 * 1 * 4 * 1 * 1 = 28 (decimal)
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CROSSREFS
| Sequence in context: A000423 A007335 A103070 * A096571 A081156 A082877
Adjacent sequences: A079705 A079706 A079707 * A079709 A079710 A079711
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KEYWORD
| nonn
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AUTHOR
| Will Nicholes (e1will(AT)yahoo.com), Jan 31 2003
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EXTENSIONS
| Link updated by Will Nicholes (e1will(AT)yahoo.com), Jun 07 2010
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