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A249279 as a simple table

na(n)
00
17
21
38
42
59
63
710
84
911
1012
1115
1216
1319
1420
1523
1624
1727
1828
1931
205
216
2213
2314
2417
2518
2621
2722
2825
2926
3032
3135
3236
3339
3440
3543
3644
3747
3848
3951
4029
4130
4233
4334
4437
4538
4641
4742
4845
4946
5052
5155
5256
5359
5460
5563
5664
5767
5868
5971
6049
6150
6253
6354
6457
6558
6661
6762
6865
6966
7072
7175
7276

[0,7,1,8,2,9,3,10,4,11,12,15,16,19,20,23,24,27,28,
 31,5,6,13,14,17,18,21,22,25,26,32,35,36,39,40,43,
 44,47,48,51,29,30,33,34,37,38,41,42,45,46,52,55,
 56,59,60,63,64,67,68,71,49,50,53,54,57,58,61,62,
 65,66,72,75,76]