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A307370 as a simple table

na(n)
00
10
20
31
42
54
64
76
87
97
1010
1110
1211
1312
1415
1513
1617
1716
1819
1918
2022
2119
2225
2322
2426
2524
2630
2725
2832
2928
3034
3130
3237
3331
3440
3534
3641
3736
3845
3937
4047
4140
4249
4342
4452
4543
4655
4746
4856
4948
5060
5149
5262
5352
5464
5554
5667
5755
5870
5958
6071
6160
6275
6361
6477
6564
6679
6766

[0,0,0,1,2,4,4,6,7,7,10,10,11,12,15,13,17,16,19,
 18,22,19,25,22,26,24,30,25,32,28,34,30,37,31,40,
 34,41,36,45,37,47,40,49,42,52,43,55,46,56,48,60,
 49,62,52,64,54,67,55,70,58,71,60,75,61,77,64,79,
 66]