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A195510 as a simple table

na(n)
01
11
21
34
425
5156
61561
715968
8205521
92996416
1048245521
11891169632
1217701061929
13390008578688
149273243108585
15237666643184896
166557636429111329
17192526245072832512
186029011794295629217
19199832740470058237952
207000664928137597341881

[1,1,1,4,25,156,1561,15968,205521,2996416,
 48245521,891169632,17701061929,390008578688,
 9273243108585,237666643184896,6557636429111329,
 192526245072832512,6029011794295629217,
 199832740470058237952,7000664928137597341881]