login

A081730 as a simple table

na(n)
11
22
33
44
55
67
78
811
913
1015
1116
1217
1319
1423
1529
1631
1732
1837
1941
2043
2147
2253
2359
2461
2564
2667
2771
2873
2979
3083
3189
3291
3397
34101
35103
36107
37109
38113
39127
40128
41131
42137
43139
44149
45151
46157
47163
48167
49173
50179
51181
52191
53193
54197
55199
56211
57223
58227
59229
60233
61239
62241

[1,2,3,4,5,7,8,11,13,15,16,17,19,23,29,31,32,37,
 41,43,47,53,59,61,64,67,71,73,79,83,89,91,97,101,
 103,107,109,113,127,128,131,137,139,149,151,157,
 163,167,173,179,181,191,193,197,199,211,223,227,
 229,233,239,241]