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A310947 as a simple table

na(n)
01
14
27
39
411
514
618
721
824
928
1032
1135
1237
1339
1442
1546
1649
1752
1856
1959
2060
2162
2266
2370
2474
2577
2680
2784
2887
2988
3090
3194
3298
33102
34105
35107
36109
37112
38115
39118
40122
41126
42130
43133
44135
45137
46140
47143
48146
49150

[1,4,7,9,11,14,18,21,24,28,32,35,37,39,42,46,49,
 52,56,59,60,62,66,70,74,77,80,84,87,88,90,94,98,
 102,105,107,109,112,115,118,122,126,130,133,135,
 137,140,143,146,150]