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A003256 as a simple table

na(n)
12
25
37
49
512
614
717
819
921
1024
1126
1228
1331
1433
1536
1638
1740
1843
1945
2047
2149
2251
2354
2456
2558
2661
2763
2866
2968
3070
3173
3275
3377
3480
3582
3685
3787
3889
3992
4094
4197
4299
43101
44104
45106
46108
47111
48113
49116
50118
51120
52123
53125
54127
55129
56131
57134
58136
59138
60141
61143

[2,5,7,9,12,14,17,19,21,24,26,28,31,33,36,38,40,
 43,45,47,49,51,54,56,58,61,63,66,68,70,73,75,77,
 80,82,85,87,89,92,94,97,99,101,104,106,108,111,
 113,116,118,120,123,125,127,129,131,134,136,138,
 141,143]