A069634 a(1) = 7; a(2n) = smallest prime starting (most significant digits) with a(2n-1). a(2n+1) = smallest prime ending (least significant digits)in a(2n).

7, 71, 271, 2711, 52711, 5271107, 95271107, 9527110787, 59527110787, 5952711078773, 65952711078773, 6595271107877341, 36595271107877341, 3659527110787734161, 33659527110787734161, 3365952711078773416187

Offset

1,1

Links

Table of n, a(n) for n=1..16.

Crossrefs

Cf. A069614 to A069621, A069628 to A069636.

Sequence in context: A087390 A142928 A201261 * A069619 A137443 A362106

Adjacent sequences: A069631 A069632 A069633 * A069635 A069636 A069637

Keyword

nonn,base

Author

Amarnath Murthy, Mar 27 2002

Extensions

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

Status

approved