Search: id:A023319 Results 1-1 of 1 results found. %I A023319 %S A023319 2207,126107,230567,366347,590207,788027,831167,919067,985937,1111427, %T A023319 1154567,1170857,1367507,1463597,1624757,1934417,2034797,2468027,2502767, %U A023319 2545307,3019787,3287027,3385817,3675197,3692207,4087757,4565927,4600577 %N A023319 Numbers n such that n remains prime through 4 iterations of function f(x) = 8x + 1. %Y A023319 Sequence in context: A004971 A037210 A114360 this_sequence A043659 A031772 A031635 %Y A023319 Adjacent sequences: A023316 A023317 A023318 this_sequence A023320 A023321 A023322 %K A023319 nonn %O A023319 1,1 %A A023319 David W. Wilson (davidwwilson(AT)comcast.net) Search completed in 0.001 seconds