A155990 Numbers prime(k) as k runs through the numbers whose digits are all prime.

3, 5, 11, 17, 79, 83, 97, 103, 131, 137, 149, 157, 239, 241, 257, 269, 359, 367, 379, 389, 1399, 1409, 1427, 1433, 1459, 1471, 1483, 1489, 1601, 1607, 1613, 1621, 1747, 1753, 1777, 1787, 2137, 2141, 2153, 2179, 2237, 2239, 2251, 2269, 2377, 2381, 2389, 2399

Offset

1,1

Links

Table of n, a(n) for n=1..48.

Formula

a(n) = A000040(A046034(n)). - Michel Marcus, Jan 21 2019

Maple

isA046034 := proc(n) local d ; d := convert(convert(n, base, 10), set) ; if d intersect {0, 1, 4, 6, 8, 9} = {} then true; else false; fi; end: for n from 1 to 3000 do if isA046034(n) then printf("%d, ", ithprime(n)) ; fi; od: # R. J. Mathar, Feb 10 2009

Crossrefs

Cf. A000040, A046034, A141468.

Sequence in context: A101783 A078883 A355901 * A109556 A167675 A277284

Adjacent sequences: A155987 A155988 A155989 * A155991 A155992 A155993

Keyword

nonn,base

Author

Juri-Stepan Gerasimov, Feb 01 2009

Extensions

Edited by N. J. A. Sloane, Feb 02 2009

149 inserted by R. J. Mathar, Feb 10 2009

Status

approved