A177799 - OEIS

A177799 as a simple table

n	a(n)
1	2
2	3
3	2
4	3
5	19
6	23
7	29
8	41
9	2
10	7
11	13
12	19
13	23
14	31
15	71
16	71
17	73
18	73
19	79
20	109
21	137
22	149
23	197
24	197
25	257
26	263
27	263
28	311
29	349
30	349
31	337
32	349
33	383
34	383
35	421
36	433
37	23
38	29
39	23
40	19
41	17
42	31
43	71
44	131
45	139
46	223
47	263
48	293
49	293
50	521
51	557
52	593
53	613
54	631
55	823
56	911
57	919
58	919
59	947
60	1109
61	1427
62	1487
63	1483
64	1613
65	1693
66	1913
67	2131
68	2203
69	2381
70	2659

[2,3,2,3,19,23,29,41,2,7,13,19,23,31,71,71,73,73, 79,109,137,149,197,197,257,263,263,311,349,349, 337,349,383,383,421,433,23,29,23,19,17,31,71,131, 139,223,263,293,293,521,557,593,613,631,823,911, 919,919,947,1109,1427,1487,1483,1613,1693,1913, 2131,2203,2381,2659]