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A279433 as a simple table

na(n)
10
20
34
40
56
64
70
84
912
104
110
124
136
1412
1512
160
174
188
1912
2012
214
220
234
244
256
2612
2720
284
290
304
314
3212
3312
3412
3520
364
370
384
394
404
4114
4212
4320
4412
4512
460
474
484
494
5012
5112
5216
5312
5412
5520
560
574
584
598
608
616
6212
6320
6420
6520
664
670
684
694
704
714
7212
7328
7412
7512
7612

[0,0,4,0,6,4,0,4,12,4,0,4,6,12,12,0,4,8,12,12,4,0,
 4,4,6,12,20,4,0,4,4,12,12,12,20,4,0,4,4,4,14,12,
 20,12,12,0,4,4,4,12,12,16,12,12,20,0,4,4,8,8,6,12,
 20,20,20,4,0,4,4,4,4,12,28,12,12,12]