A210548 Larger of emirp pairs whose members have prime digital products.

31, 71, 311, 1511, 112111, 1171111, 11131111, 71111111, 131111111, 1115111111, 31111111111, 131111111111111111, 1151111111111111111111111111, 11111111111711111111111111111, 131111111111111111111111111111111111111

Offset

1,1

Comments

Beyond the first two terms, a(n) is the intersection of A173596 and A046703.

Links

Table of n, a(n) for n=1..15.

Crossrefs

Cf. A006567, A210546, A210547.

Sequence in context: A127346 A089704 A287609 * A146353 A131633 A291554

Adjacent sequences: A210545 A210546 A210547 * A210549 A210550 A210551

Keyword

nonn,base

Author

Lekraj Beedassy, Mar 22 2012

Extensions

More terms from Alois P. Heinz, Mar 22 2012

Status

approved