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

Author

Juri-Stepan Gerasimov, Feb 01 2009

Keywords

• nonn
• base

Crossrefs

Cf. A000040, A046034, A141468.

Programs

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

Formula

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

Extensions

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

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