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A161597 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1011
1113
1217
1319
1422
1523
1626
1729
1831
1933
2037
2139
2241
2343
2444
2546
2647
2753
2855
2959
3061
3162
3266
3367
3469
3571
3673
3777
3879
3982
4083
4186
4288
4389
4493
4597
4699
47101
48103
49107
50109
51113
52121
53127
54131
55137
56139
57143
58149
59151
60157
61163
62167
63169
64173
65179

[1,2,3,4,5,6,7,8,9,11,13,17,19,22,23,26,29,31,33,
 37,39,41,43,44,46,47,53,55,59,61,62,66,67,69,71,
 73,77,79,82,83,86,88,89,93,97,99,101,103,107,109,
 113,121,127,131,137,139,143,149,151,157,163,167,
 169,173,179]