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A064434 as a simple table

na(n)
10
21
30
41
53
61
73
87
96
103
117
123
137
141
153
167
1715
1813
198
2017
2114
227
2315
247
2515
265
2711
2823
2918
307
3115
3231
3330
3427
3520
365
3711
3823
398
4017
4135
4229
4316
4433
4522
4645
4744
4841
4934
5019
5139
5227
532
545
5511
5623
5747
5837
5916
6033
616
6213
6327
6455
6546
6627
6755
6843
6918
7037
714
729
7319
7439
754
769
7719
7839
790

[0,1,0,1,3,1,3,7,6,3,7,3,7,1,3,7,15,13,8,17,14,7,
 15,7,15,5,11,23,18,7,15,31,30,27,20,5,11,23,8,17,
 35,29,16,33,22,45,44,41,34,19,39,27,2,5,11,23,47,
 37,16,33,6,13,27,55,46,27,55,43,18,37,4,9,19,39,4,
 9,19,39,0]