ヮ紈焊计

讽 (James Cullen 1867-1933) 秨﹍代刚 n*2n - 1 计┦ (Primality) (冈ǎ计彻) ㄢ璣瓣计厩產Б圭 (Allan Joseph Champneys Cunningham 1842-1928) ㎝ヮ紈焊 (Herbert J. Woodall)  1917ョ秨﹍闽猔刚 n*2n-1 计┦硂獽琌ヮ紈焊计 (Woodall Number)璝计玥嘿ヮ紈焊计 (Woodall Prime) Τョ穦嘿硂计材计 (Cullen Number of the Second Kind)癘 Wnê或セ计 (Cullen Number)иョ穦嘿硂计材计 (Cullen Number of the First Kind)

ヮ紈焊计Τ瞦代硂穦Τ礚絘ぇゼ竒靡 n = 30000 ずヮ紈焊计Τ n =2 3 6 30 75 81 115 123 249 362 384 462 512 751 822 5312 7755 9531 12379 15822 18885 22971 23005  23ㄤ癸莱 Wn 常琌计ㄤ琌计

把σゅ膍の呼

Ballinger, R. "Cullen Primes: Definition and Status." http://www.prothsearch.net/woodall.html.

Caldwell, C. K. "The Top Twenty: Woodall." http://primes.utm.edu/top20/page.php?id=7.

Guy, R. K. "Cullen Numbers." ”B20 in Unsolved Problems in Number Theory, 2nd ed. New York: Springer-Verlag, p. 77, 1994.

Weisstein, E. W. "Woodall Number." From MathWorld. http://mathworld.wolfram.com/WoodallNumber.html.