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A313291 as a simple table

na(n)
01
14
29
315
421
527
632
738
844
950
1054
1158
1264
1370
1476
1580
1686
1792
18100
19104
20108
21110
22118
23124
24132
25134
26140
27144
28154
29158
30164
31164
32172
33176
34186
35188
36196
37198
38208
39210
40218
41218
42228
43230
44240
45240
46250
47252
48264
49264

[1,4,9,15,21,27,32,38,44,50,54,58,64,70,76,80,86,
 92,100,104,108,110,118,124,132,134,140,144,154,
 158,164,164,172,176,186,188,196,198,208,210,218,
 218,228,230,240,240,250,252,264,264]