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A310661 as a simple table

na(n)
01
14
26
38
411
515
618
721
824
927
1029
1132
1237
1340
1441
1544
1649
1752
1853
1957
2062
2163
2263
2368
2475
2576
2675
2780
2887
2988
3087
3193
32100
3399
3497
35104
36113
37112
38109
39116
40125
41124
42121
43129
44138
45135
46131
47140
48151
49148

[1,4,6,8,11,15,18,21,24,27,29,32,37,40,41,44,49,
 52,53,57,62,63,63,68,75,76,75,80,87,88,87,93,100,
 99,97,104,113,112,109,116,125,124,121,129,138,135,
 131,140,151,148]