A272550 - cp's OEIS frontend

A272550 Lexicographically earliest increasing sequence of primes such that odd-indexed terms have final digit 1 and even-indexed terms have final digit 9.

n	a(n)
1	11
2	19
3	31
4	59
5	61
6	79
7	101
8	109
9	131
10	139
11	151
12	179
13	181
14	199
15	211
16	229
17	241
18	269
19	271
20	349
21	401
22	409
23	421
24	439
25	461
26	479
27	491
28	499
29	521
30	569
31	571
32	599
33	601
34	619
35	631
36	659
37	661
38	709
39	751
40	769
41	811
42	829
43	881
44	919
45	941
46	1009
47	1021
48	1039
49	1051
50	1069
51	1091
52	1109

[11, 19, 31, 59, 61, 79, 101, 109, 131, 139, 151, 179, 181, 199, 211, 229, 241, 269, 271, 349, 401, 409, 421, 439, 461, 479, 491, 499, 521, 569, 571, 599, 601, 619, 631, 659, 661, 709, 751, 769, 811, 829, 881, 919, 941, 1009, 1021, 1039, 1051, 1069, 1091, 1109]

cp's OEIS Frontend

A272550 Lexicographically earliest increasing sequence of primes such that odd-indexed terms have final digit 1 and even-indexed terms have final digit 9.

Table of values

List of values