A169887 - OEIS

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A169887 as a simple table

n	a(n)
1	21
2	23
3	25
4	27
5	29
6	41
7	43
8	45
9	47
10	49
11	51
12	52
13	53
14	54
15	56
16	57
17	58
18	59
19	61
20	63
21	65
22	67
23	69
24	81
25	83
26	85
27	87
28	89
29	201
30	209
31	227
32	229
33	241
34	243
35	261
36	263
37	287
38	289
39	403
40	407
41	421
42	427
43	443
44	449
45	463
46	469
47	481
48	487
49	551
50	553
51	557
52	559
53	603
54	607
55	623
56	629
57	641
58	647
59	661
60	667
61	683
62	689
63	801
64	809
65	821
66	823
67	847
68	849
69	867
70	869
71	881
72	883

[21,23,25,27,29,41,43,45,47,49,51,52,53,54,56,57, 58,59,61,63,65,67,69,81,83,85,87,89,201,209,227, 229,241,243,261,263,287,289,403,407,421,427,443, 449,463,469,481,487,551,553,557,559,603,607,623, 629,641,647,661,667,683,689,801,809,821,823,847, 849,867,869,881,883]

n	a(n)
1	21
2	23
3	25
4	27
5	29
6	41
7	43
8	45
9	47
10	49
11	51
12	52
13	53
14	54
15	56
16	57
17	58
18	59
19	61
20	63
21	65
22	67
23	69
24	81
25	83
26	85
27	87
28	89
29	201
30	209
31	227
32	229
33	241
34	243
35	261
36	263
37	287
38	289
39	403
40	407
41	421
42	427
43	443
44	449
45	463
46	469
47	481
48	487
49	551
50	553
51	557
52	559
53	603
54	607
55	623
56	629
57	641
58	647
59	661
60	667
61	683
62	689
63	801
64	809
65	821
66	823
67	847
68	849
69	867
70	869
71	881
72	883

n	a(n)
1	21
2	23
3	25
4	27
5	29
6	41
7	43
8	45
9	47
10	49
11	51
12	52
13	53
14	54
15	56
16	57
17	58
18	59
19	61
20	63
21	65
22	67
23	69
24	81
25	83
26	85
27	87
28	89
29	201
30	209
31	227
32	229
33	241
34	243
35	261
36	263
37	287
38	289
39	403
40	407
41	421
42	427
43	443
44	449
45	463
46	469
47	481
48	487
49	551
50	553
51	557
52	559
53	603
54	607
55	623
56	629
57	641
58	647
59	661
60	667
61	683
62	689
63	801
64	809
65	821
66	823
67	847
68	849
69	867
70	869
71	881
72	883

n	a(n)
1	21
2	23
3	25
4	27
5	29
6	41
7	43
8	45
9	47
10	49
11	51
12	52
13	53
14	54
15	56
16	57
17	58
18	59
19	61
20	63
21	65
22	67
23	69
24	81
25	83
26	85
27	87
28	89
29	201
30	209
31	227
32	229
33	241
34	243
35	261
36	263
37	287
38	289
39	403
40	407
41	421
42	427
43	443
44	449
45	463
46	469
47	481
48	487
49	551
50	553
51	557
52	559
53	603
54	607
55	623
56	629
57	641
58	647
59	661
60	667
61	683
62	689
63	801
64	809
65	821
66	823
67	847
68	849
69	867
70	869
71	881
72	883