A102385 Primes in A004094.

2, 23, 61, 821, 4201, 270131, 61277761, 274359834731, 23888027348153, 86936981079782063, 4243031147170261950811, 272838646828154727511151, 821882010875193363312928672952261, 274562423560500997742392394025368175422471, 4266472836315949449695828501889595072967427241

Offset: 1

Author

Reinhard Zumkeller, Jan 06 2005

Keywords

• nonn
• base

Examples

			n=17 -> 2^17 = 131072 -> 270131 = A000040(23652), therefore A004094(17) = 270131 is a term.
		

Links

• Jeozadaque Marcos da Silva, Table of n, a(n) for n = 1..22

Crossrefs

Cf. A000040, A004094, A057708.

Programs

Mathematica

seq[digmax_] := Sort[Select[Table[IntegerReverse[2^n], {n, 0, Floor[digmax*Log2[10]]}], PrimeQ]]; seq[33] (* Amiram Eldar, Oct 02 2024 *)