A134941 - OEIS

A134941 as a simple table

n	a(n)
1	1
2	121
3	131
4	141
5	151
6	161
7	171
8	181
9	191
10	1231
11	1241
12	1251
13	1261
14	1271
15	1281
16	1291
17	1321
18	1341
19	1351
20	1361
21	1371
22	1381
23	1391
24	1421
25	1431
26	1451
27	1461
28	1471
29	1481
30	1491
31	1521
32	1531
33	1541
34	1561
35	1571
36	1581
37	1591
38	1621
39	1631
40	1641
41	1651
42	1671
43	1681
44	1691
45	1721

[1,121,131,141,151,161,171,181,191,1231,1241,1251, 1261,1271,1281,1291,1321,1341,1351,1361,1371,1381, 1391,1421,1431,1451,1461,1471,1481,1491,1521,1531, 1541,1561,1571,1581,1591,1621,1631,1641,1651,1671, 1681,1691,1721]