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A131861 as a simple table

na(n)
11
23
39
411
516
617
718
819
921
1023
1124
1225
1326
1427
1529
1631
1733
1835
1941
2043
2148
2249
2350
2451
2553
2655
2756
2857
2958
3059
3161
3263
3381
3483
3589
3691
37113
38115
39121
40123
41129
42131
43137
44139
45144
46145
47146
48147
49149
50151
51152
52153
53154
54155
55157
56159
57161
58163
59169
60171
61176

[1,3,9,11,16,17,18,19,21,23,24,25,26,27,29,31,33,
 35,41,43,48,49,50,51,53,55,56,57,58,59,61,63,81,
 83,89,91,113,115,121,123,129,131,137,139,144,145,
 146,147,149,151,152,153,154,155,157,159,161,163,
 169,171,176]