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A187834 as a simple table

na(n)
12
24
37
48
511
613
715
818
920
1022
1124
1226
1329
1431
1533
1635
1737
1840
1942
2044
2147
2248
2351
2453
2555
2657
2760
2862
2964
3066
3169
3271
3373
3475
3577
3680
3782
3884
3986
4088
4191
4293
4395
4497
4599
46102
47104
48106
49109
50110
51113
52115
53117
54120
55122
56124
57126
58128
59131
60132
61135
62137
63139
64142
65144
66146
67148
68150
69153
70155
71157
72159
73162
74164
75166
76168

[2,4,7,8,11,13,15,18,20,22,24,26,29,31,33,35,37,
 40,42,44,47,48,51,53,55,57,60,62,64,66,69,71,73,
 75,77,80,82,84,86,88,91,93,95,97,99,102,104,106,
 109,110,113,115,117,120,122,124,126,128,131,132,
 135,137,139,142,144,146,148,150,153,155,157,159,
 162,164,166,168]