A137834 Lesser of emirps (pairs) with a prime number of only prime digits.

37, 337, 32233, 32257, 32353, 32377, 32537, 35227, 35257, 35327, 35537, 72337, 72577, 73277, 75577, 3223357, 3223537, 3225323, 3225737, 3233227, 3233533, 3235577, 3235777, 3237527, 3252377, 3253753, 3253777, 3257257, 3273527

Offset: 1

Author

Lekraj Beedassy, Feb 12 2008

Keywords

• base
• nonn

Crossrefs

Cf. A137835.

Formula

Subsequence of A133554

Extensions

a(16)-a(29) from Donovan Johnson, Jun 06 2009