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A026923 as a simple table

na(n)
10
20
31
40
51
61
73
82
94
103
116
125
138
147
1511
169
1713
1812
1917
2015
2120
2218
2324
2422
2528
2626
2733
2830
2937
3035
3143
3240
3348
3445
3554
3651
3760
3857
3967
4063
4173
4270
4381
4477
4588
4684
4796
4892
49104
50100
51113
52108
53121
54117
55131

[0,0,1,0,1,1,3,2,4,3,6,5,8,7,11,9,13,12,17,15,20,
 18,24,22,28,26,33,30,37,35,43,40,48,45,54,51,60,
 57,67,63,73,70,81,77,88,84,96,92,104,100,113,108,
 121,117,131]