A069634 - cp's OEIS frontend

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).

n	a(n)
1	7
2	71
3	271
4	2711
5	52711
6	5271107
7	95271107
8	9527110787
9	59527110787
10	5952711078773
11	65952711078773
12	6595271107877341
13	36595271107877341
14	3659527110787734161
15	33659527110787734161
16	3365952711078773416187

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

cp's OEIS Frontend

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).

Table of values

List of values