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A066604 as a simple table

na(n)
10
20
30
40
51
60
76
80
90
106
116
120
136
148
156
160
176
180
196
2016
216
2214
236
240
251
2610
270
288
296
306
316
320
3318
342
356
360
376
3836
3921
4016
416
4236
436
4420
4536
4636
476
480
4948
5026
5112
5248
536
540
5521
568
5745
5836
596
6036
616
6236
6327
640
6541
6660
676
684
699
7036
716
720
736
7436
7551
764
7741
7812
796
8016

[0,0,0,0,1,0,6,0,0,6,6,0,6,8,6,0,6,0,6,16,6,14,6,
 0,1,10,0,8,6,6,6,0,18,2,6,0,6,36,21,16,6,36,6,20,
 36,36,6,0,48,26,12,48,6,0,21,8,45,36,6,36,6,36,27,
 0,41,60,6,4,9,36,6,0,6,36,51,4,41,12,6,16]