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A212315 as a simple table

na(n)
10
21
33
47
515
631
739
845
963
1078
1179
1291
1393
14127
15139
16143
17158
18159
19175
20182
21187
22189
23222
24255
25286
26287
27318
28319
29351
30367
31375
32379
33381
34407
35446
36487
37511
38535
39543
40572
41574
42575
43607
44627
45638
46639
47703
48724
49727
50731
51747
52750
53759
54763
55765
56799
57823
58830

[0,1,3,7,15,31,39,45,63,78,79,91,93,127,139,143,
 158,159,175,182,187,189,222,255,286,287,318,319,
 351,367,375,379,381,407,446,487,511,535,543,572,
 574,575,607,627,638,639,703,724,727,731,747,750,
 759,763,765,799,823,830]