A069630 a(1) = 3; a(2n) = smallest prime starting (most significant digits) with a(2n-1). a(2n+1) = smallest prime ending (least significant digits)in a(2n).

3, 31, 131, 1319, 21319, 213193, 12213193, 122131939, 1122131939, 112213193909, 17112213193909, 171122131939093, 18171122131939093, 1817112213193909339, 61817112213193909339, 618171122131939093397, 60618171122131939093397

Offset: 1

Author

Amarnath Murthy, Mar 27 2002

Keywords

• nonn
• base

Crossrefs

Cf. A069614 to A069621, A069628 to A069636. Different from A069615.

Extensions

Edited and extended by Robert G. Wilson v, Apr 03 2002