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A008971 as a simple table

na(n)
01
11
21
31
41
55
61
718
85
91
1058
1161
121
13179
14479
1561
161
17543
183111
191385
201
211636
2218270
2319028
241385
251
264916
27101166
28206276
2950521
301
3114757
32540242
331949762
341073517
3550521
361
3744281
382819266
3916889786
4017460701
412702765
421
43132854
4414494859

[1,1,1,1,1,5,1,18,5,1,58,61,1,179,479,61,1,543,
 3111,1385,1,1636,18270,19028,1385,1,4916,101166,
 206276,50521,1,14757,540242,1949762,1073517,50521,
 1,44281,2819266,16889786,17460701,2702765,1,
 132854,14494859]