显示找到的4个结果中的1-4个。
第页1
1, 2, 6, 8, 14, 24, 30, 32, 58, 60, 68, 70, 84, 102
a(n)=最小数m>0,使得素数(n)*素数(n+1)-m是素数。
+10 三
1, 2, 4, 4, 4, 10, 6, 4, 6, 12, 18, 6, 4, 4, 14, 6, 6, 8, 6, 4, 18, 4, 18, 4, 6, 4, 18, 6, 16, 4, 4, 8, 6, 4, 16, 18, 2, 10, 12, 18, 18, 22, 6, 10, 4, 6, 2, 22, 6, 4, 6, 6, 34, 8, 2, 18, 6, 26, 24, 30, 6, 12, 6, 16, 30, 10, 8, 6, 22, 6, 8, 4, 2, 8, 18, 26, 10, 4, 12, 30, 10, 12, 4, 24, 6, 6, 6
黄体脂酮素
(PARI)a(n)={my(m=0,v=prime(n)*prime(n+1));while(!isprime(v-m),m++;);return(m);}\\米歇尔·马库斯2013年4月19日
1, 2, 3, 6, 10, 11, 42, 53, 89, 142, 204, 238, 324, 434, 764, 926
1, 2, 4, 10, 12, 18, 22, 34, 36, 40, 48, 50, 76, 84, 86, 112
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