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A372599 as a simple table

na(n)
21
32
43
54
64
75
84
96
105
116
125
139
145
156
1612
178
184
1910
205
2111
227
236
247
2512
268
2713
288
2910
306
3114
328
3312
349
3510
3618
3718
386
3911
4011
4119
428
4316
445
4512
4613
477
487
4920
505
5118
5212
5314
547
5521
5612
5719
5810
5910
607
6124
627
6310
6420
6515
6613
6719
686
6919
7011
7119
729
7325
746
7513

[1,2,3,4,4,5,4,6,5,6,5,9,5,6,12,8,4,10,5,11,7,6,7,
 12,8,13,8,10,6,14,8,12,9,10,18,18,6,11,11,19,8,16,
 5,12,13,7,7,20,5,18,12,14,7,21,12,19,10,10,7,24,7,
 10,20,15,13,19,6,19,11,19,9,25,6,13]