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A352740 as a simple table

na(n)
10
20
30
42
50
63
70
84
90
100
114
126
130
146
157
160
177
188
190
208
210
226
238
249
2510
260
2711
280
2912
300
3110
3212
330
348
3512
3614
370
3813
3915
400
4114
4215
4316
440
4515
4616
470
4816
4917
5018
510
5219
530
5420
550
560
5712
5816
5918
6020
6121
6222
630
6423
650
6624
670
6818
6924
700
7114
7221
7324
7425
7526

[0,0,0,2,0,3,0,4,0,0,4,6,0,6,7,0,7,8,0,8,0,6,8,9,
 10,0,11,0,12,0,10,12,0,8,12,14,0,13,15,0,14,15,16,
 0,15,16,0,16,17,18,0,19,0,20,0,0,12,16,18,20,21,
 22,0,23,0,24,0,18,24,0,14,21,24,25,26]