A177514 Largest n-digit emirp with only prime digits.

73, 733, 7757, 77557, 777373, 7777573, 77757553, 777777373, 7777777237, 77777773537, 777777777773, 7777777777573, 77777777772257, 777777777752557, 7777777777752757, 77777777777753233, 777777777777753553

Offset

2,1

Links

Table of n, a(n) for n=2..18.

Crossrefs

Cf. A177514, A128388

Sequence in context: A177095 A321422 A133753 * A137835 A063784 A066101

Adjacent sequences: A177511 A177512 A177513 * A177515 A177516 A177517

Keyword

nonn,base

Author

Lekraj Beedassy, May 10 2010

Extensions

a(8) and a(9) corrected and a(11)-a(18) from Donovan Johnson, Jul 30 2010

Status

approved