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A244041 as a simple table

na(n)
00
11
22
33
43
54
65
76
85
96
107
118
126
137
148
159
166
177
188
199
209
2110
2211
2312
248
259
2610
2711
2810
2911
3012
3113
328
339
3410
3511
3611
3712
3813
3914
4012
4113
4214
4315
449
4510
4611
4712
4811
4912
5013
5114
5214
5315
5416
5517
5614
5715
5816
5917
6010
6111
6212
6313
6411
6512
6613
6714
6814
6915
7016
7117

[0,1,2,3,3,4,5,6,5,6,7,8,6,7,8,9,6,7,8,9,9,10,11,
 12,8,9,10,11,10,11,12,13,8,9,10,11,11,12,13,14,12,
 13,14,15,9,10,11,12,11,12,13,14,14,15,16,17,14,15,
 16,17,10,11,12,13,11,12,13,14,14,15,16,17]