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A347971 as a simple table

na(n)
01
11
21
31
43
51
61
77
87
91
101
1112
1231
1312
141
151
1619
17111
18111
1919
201
211
2229
23361
24964
25361
2629
271
281
2941
301068
318042
328042
331068
3441
351
361
3756
382954
3964674
40205065
4164674
422954
4356
441
451
4675
477681
48492387
495402621
505402621
51492387
527681
5375
541
551
5697
5718880
583507681
59137287827

[1,1,1,1,3,1,1,7,7,1,1,12,31,12,1,1,19,111,111,19,
 1,1,29,361,964,361,29,1,1,41,1068,8042,8042,1068,
 41,1,1,56,2954,64674,205065,64674,2954,56,1,1,75,
 7681,492387,5402621,5402621,492387,7681,75,1,1,97,
 18880,3507681,137287827]