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A020662 as a simple table

na(n)
11
22
33
44
55
66
77
88
910
1011
1112
1213
1314
1415
1516
1617
1719
1820
1921
2022
2123
2224
2327
2428
2529
2630
2731
2832
2933
3034
3137
3238
3339
3440
3541
3643
3744
3845
3946
4047
4148
4249
4350
4453
4555
4656
4757
4858
4959
5060
5164
5265
5366
5467
5568
5669
5770
5871
5978
6079
6180
6281
6382
6483
6584
6685
6787
6888
6991
7092
7194
7295
7396
7497

[1,2,3,4,5,6,7,8,10,11,12,13,14,15,16,17,19,20,21,
 22,23,24,27,28,29,30,31,32,33,34,37,38,39,40,41,
 43,44,45,46,47,48,49,50,53,55,56,57,58,59,60,64,
 65,66,67,68,69,70,71,78,79,80,81,82,83,84,85,87,
 88,91,92,94,95,96,97]