A031402 - OEIS

A031402 as a simple table

n	a(n)
1	2
2	3
3	5
4	6
5	7
6	11
7	13
8	18
9	19
10	22
11	31
12	43
13	46
14	61
15	67
16	94
17	109
18	127
19	139
20	151
21	166
22	199
23	211
24	214
25	271
26	301
27	331
28	379
29	454
30	526
31	571
32	631
33	694
34	739
35	751
36	859
37	886
38	919
39	991
40	1279
41	1291
42	1366
43	1549
44	1579
45	1621
46	1726
47	1831
48	1894
49	1999
50	2011
51	2206

[2,3,5,6,7,11,13,18,19,22,31,43,46,61,67,94,109, 127,139,151,166,199,211,214,271,301,331,379,454, 526,571,631,694,739,751,859,886,919,991,1279,1291, 1366,1549,1579,1621,1726,1831,1894,1999,2011,2206]