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A311476 as a simple table

na(n)
01
14
28
312
417
521
626
731
836
939
1041
1147
1252
1358
1461
1566
1668
1773
1880
1984
2087
2190
2297
2398
24104
25108
26117
27117
28120
29129
30131
31134
32138
33147
34147
35152
36154
37165
38164
39169
40180
41178
42181
43185
44196
45195
46200
47203
48215
49210

[1,4,8,12,17,21,26,31,36,39,41,47,52,58,61,66,68,
 73,80,84,87,90,97,98,104,108,117,117,120,129,131,
 134,138,147,147,152,154,165,164,169,180,178,181,
 185,196,195,200,203,215,210]