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A331622 as a simple table

na(n)
10
20
30
40
50
60
70
81
90
102
110
123
132
144
152
165
172
187
194
207
214
228
234
2411
256
2610
276
2811
298
3015
3110
3213
3310
3416
3510
3619
3712
3816
3914
4019
4114
4223
4316
4421
4516
4622
4716
4827
4918
5025
5118
5225
5320
5431
5522
5627
5722
5830
5924
6037
6126
6230
6326
6435
6526
6639
6728
6833
6930
7039
7130
7243
7332
7440
7532
7641
7732
7847
7934
8043
8136

[0,0,0,0,0,0,0,1,0,2,0,3,2,4,2,5,2,7,4,7,4,8,4,11,
 6,10,6,11,8,15,10,13,10,16,10,19,12,16,14,19,14,
 23,16,21,16,22,16,27,18,25,18,25,20,31,22,27,22,
 30,24,37,26,30,26,35,26,39,28,33,30,39,30,43,32,
 40,32,41,32,47,34,43,36]