A069631 a(1) = 4; a(2n) = smallest prime starting (most significant digits) with a(2n-1). a(2n+1) = smallest prime ending (least significant digits)in a(2n).

4, 41, 241, 2411, 32411, 324113, 6324113, 63241133, 1563241133, 15632411339, 815632411339, 81563241133909, 1981563241133909, 198156324113390947, 24198156324113390947, 2419815632411339094781, 212419815632411339094781

Offset: 1

Author

Amarnath Murthy, Mar 27 2002

Keywords

• nonn
• base

Crossrefs

Cf. A069614 to A069621, A069628 to A069636.

Extensions

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