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A073750 as a simple table

na(n)
00
10
20
31
41
51
63
73
83
94
104
114
127
137
147
158
168
178
1810
1910
2010
2111
2211
2311
2415
2515
2615
2716
2816
2916
3018
3118
3218
3319
3419
3519
3622
3722
3822
3923
4023
4123
4225
4325
4425
4526
4626
4726
4831
4931
5031
5132
5232
5332
5434
5534
5634
5735
5835
5935
6038
6138
6238
6339
6439
6539
6641
6741
6841
6942
7042
7142

[0,0,0,1,1,1,3,3,3,4,4,4,7,7,7,8,8,8,10,10,10,11,
 11,11,15,15,15,16,16,16,18,18,18,19,19,19,22,22,
 22,23,23,23,25,25,25,26,26,26,31,31,31,32,32,32,
 34,34,34,35,35,35,38,38,38,39,39,39,41,41,41,42,
 42,42]