login

A161892 as a simple table

na(n)
21
31
47
59
613
74
85
923
107
118
1237
1321
1423
1513
1659
1716
1835
1919
2083
2145
2297
23103
2428
2530
26127
27135
2836
2938
3040
3185
32179
33189
3499
3552
36217
37113
38119
39249
40261
4168
42281
43293
4476
45317
46327
4785
48355
49365
5094
51391
52407
53419
54108
55443
56455
57118
58485
59501
60517
61265
62547
63281
64144
65148

[1,1,7,9,13,4,5,23,7,8,37,21,23,13,59,16,35,19,83,
 45,97,103,28,30,127,135,36,38,40,85,179,189,99,52,
 217,113,119,249,261,68,281,293,76,317,327,85,355,
 365,94,391,407,419,108,443,455,118,485,501,517,
 265,547,281,144,148]