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A328888 as a simple table

na(n)
11
21
31
41
56
61
71
818
918
101
111
1246
13132
1446
151
161
17110
18696
19696
20110
211
221
23254
243150
256728
263150
27254
281
291
30574
3113086
3251760
3351760
3413086
35574
361
371
381278
3951492
40348048
41632970
42348048
4351492
441278
451
461
472814
48195180
492143736
506466980
516466980
522143736
53195180
542814
551

[1,1,1,1,6,1,1,18,18,1,1,46,132,46,1,1,110,696,
 696,110,1,1,254,3150,6728,3150,254,1,1,574,13086,
 51760,51760,13086,574,1,1,1278,51492,348048,
 632970,348048,51492,1278,1,1,2814,195180,2143736,
 6466980,6466980,2143736,195180,2814,1]