A069632 - cp's OEIS frontend

A069632 a(1) = 5; 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	5
2	53
3	353
4	3533
5	33533
6	3353303
7	123353303
8	12335330333
9	1112335330333
10	111233533033313
11	39111233533033313
12	3911123353303331323
13	63911123353303331323
14	6391112335330333132331
15	26391112335330333132331

[5, 53, 353, 3533, 33533, 3353303, 123353303, 12335330333, 1112335330333, 111233533033313, 39111233533033313, 3911123353303331323, 63911123353303331323, 6391112335330333132331, 26391112335330333132331]

cp's OEIS Frontend

A069632 a(1) = 5; 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