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4, 49, 374, 2499, 15624, 93749, 546874, 3124999, 17578124, 97656249, 537109374, 2929687499, 15869140624, 85449218749, 457763671874, 2441406249999, 12969970703124, 68664550781249, 362396240234374, 1907348632812499
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| Harry J. Smith, Table of n, a(n) for n=1,...,150
Paul Leyland, Factors of Cullen and Woodall numbers
Paul Leyland, Generalized Cullen and Woodall numbers
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PROG
| (PARI) { for (n=1, 150, write("b064751.txt", n, " ", n*5^n - 1) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Sep 24 2009]
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CROSSREFS
| Sequence in context: A163944 A000596 A113525 * A045787 A067474 A053769
Adjacent sequences: A064748 A064749 A064750 * A064752 A064753 A064754
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Oct 19 2001
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