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A310681 as a simple table

na(n)
01
14
27
310
413
516
619
723
828
932
1035
1136
1238
1342
1447
1551
1654
1757
1861
1964
2066
2169
2274
2379
2481
2583
2685
2789
2893
2998
30102
31105
32108
33110
34112
35115
36120
37125
38129
39131
40134
41136
42139
43143
44149
45153
46154
47156
48159
49163

[1,4,7,10,13,16,19,23,28,32,35,36,38,42,47,51,54,
 57,61,64,66,69,74,79,81,83,85,89,93,98,102,105,
 108,110,112,115,120,125,129,131,134,136,139,143,
 149,153,154,156,159,163]