#来自在线整数序列百科全书的问候!http://oeis.org/搜索:id:a309739显示第1-1页,共1页%一A309739%S A309739 3,5,7,11,13,17,19331661881991202016060190120020015005001,%电话:A309739 30003000016000600015000500012000002000800008000001,%U A309739 900000900000001300000000030000000012000000000020000000000180000000000800000000001%N A309739形式为b*10^(2*k)+b*10^k+1的素数,用于1<=b<=9,k>=0。%e A309739 b |形式为b*10^(2*k)+b*10^k+1的素数%鄂A309739--+-------------------------------------------------------------%e A309739 1 | 3。%e A309739,20201,2002001,2000002000001,200000000000000001。。。%e A309739 3 | 73331230030001,3000000003000000001。%空客A309739 4|%e A309739 5 | 115005001150001050001。。。%电话:A309739 6 | 1366160601,6000600060001。。。%鄂A309739 7|%e A309739 8 | 178881,800008000001,800000000800000000001。。。%电子邮件:A309739 9 9 | 19911991,9090119000900000000000010900000000000001。。。%Y A309739数字k,使得b*10^(2*k)+b*10^k+1是素数:A296444(b=2)、A309740(b=5)、A309741(b=6)、A309742(b=8)、A309743(b=9)。%Y A309739形式为b*10^(2*k)+b*10^k+1:A160432(b=3)的素数。%Y A309739,参见A309738。%K A309739无,底座%O A309739 1,1%2019年8月15日,一架A309739Seiichi Manyama_#根据OEIS最终用户许可协议提供内容:http://oeis.org/LICENSE