计ρ
璝ㄢ计畉 4 и獽嘿硂 (p, p+4) 计舱畐觅计 (Cousin Primes)τ璣ゅ Cousin 迭Τ┪绑ぇ種璝畉 2 计舱舙ネ计 (Twin Primes) ê或畉 4 舱计獽琌绑
畐觅计ㄒ (3, 7)(7, 11)(13, 17)(19, 23)(37, 41)(43, 47)(67, 71)(79, 83)单把σ 吹计 A023200 ┪ A046132
沮材 - 疭ヮ紈瞦稱 (First Hardy-Littlewood Conjecture)畐觅计㎝舙ネ计 (Twin Primes) Τ帝盞
讽い
舙ネ计盽计 (Twin Primes Constant)
ガ盽计 (Brun's Constant) ()
(冈ǎゅガ盽计) 籔畐觅计Τ闽
讽い癸畐觅计 (1/3+1/7) ﹚竡璝и 242 ┮Τ畐觅计иΤ
把σゅ膍の呼
Weisstein, E. W. "Cousin Primes." From MathWorld. http://mathworld.wolfram.com/CousinPrimes.html.