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A020705 as a simple table

na(n)
04
15
26
37
48
59
610
711
812
913
1014
1115
1216
1317
1418
1519
1620
1721
1822
1923
2024
2125
2226
2327
2428
2529
2630
2731
2832
2933
3034
3135
3236
3337
3438
3539
3640
3741
3842
3943
4044
4145
4246
4347
4448
4549
4650
4751
4852
4953
5054
5155
5256
5357
5458
5559
5660
5761
5862
5963
6064
6165
6266
6367
6468
6569
6670
6771
6872
6973
7074
7175
7276
7377
7478

[4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,
 22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,
 38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,
 54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,
 70,71,72,73,74,75,76,77,78]