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A213707 as a simple table

na(n)
00
12
25
38
412
516
621
726
832
938
1045
1152
1260
1368
1476
1584
1693
17102
18112
19122
20133
21144
22155
23166
24178
25190
26202
27214
28227
29240
30253
31266
32280
33294
34309
35324
36340
37356
38372
39388
40405
41422
42439
43456
44474
45492
46510
47528
48547
49566
50585
51604
52624
53644
54664
55684
56705
57726
58747
59768
60790

[0,2,5,8,12,16,21,26,32,38,45,52,60,68,76,84,93,
 102,112,122,133,144,155,166,178,190,202,214,227,
 240,253,266,280,294,309,324,340,356,372,388,405,
 422,439,456,474,492,510,528,547,566,585,604,624,
 644,664,684,705,726,747,768,790]