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Difference between revisions of "Woodall prime 3"

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Revision as of 11:43, 19 August 2019

Reserved! This sequence is currently reserved by: Predrag Minovic

Current data

ASCII format :	n*3^n-1
Base :	3
Count :	25
Max `n` :	1,058,000
Date :	2015
Reserved :	Predrag MinovicPredrag Minovic/Reserved

1, 2^[1], 6, 10, 18^[2], 40, 46, 86, 118, 170, 1172, 1698, 1810, 2268^[3], 4338^[4], 18362, 72662, 88392^[5], 94110^[6], 161538^[7], 168660^[8], 292340, 401208^[9], 560750, 1035092

Remarks :

The sequence A006553 in OEIS

Notes

↑ Twin n=2, 2•3²-1
↑ 2•3²⁰-1
↑ 28•3²²⁷²-1
↑ 482 •3⁴³⁴⁰-1
↑ 29464•3⁸⁸³⁹³-1
↑ 31370•3⁹⁴¹¹⁰-1
↑ 53846•3¹⁶¹⁵³⁹-1
↑ 18740•3¹⁶⁸⁶⁶²-1
↑ 133736•3⁴⁰¹²⁰⁹-1

History

2013-06-17: Found n = 1035092, Predrag Minovic
2011-08-18: Found n = 560750, Ricky L. Hubbard
2004-11-08: Found n = 401208, Predrag Minovic
2004-08-17: Found n = 292340, Predrag Minovic
2004-04-20: Found n = 168660, Predrag Minovic
2004-04-19: Found n = 161538, Predrag Minovic
2004-02: Found n = 94110, Steven Harvey
2003-11-03: Found n = 88392, Steven Harvey
2000-05-04: Found n = 72662, Yves Gallot
1997-03-03: Found n = 4338, Carlos Rivera
?: Found n = 18362, DeMaio

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