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A174692 as a simple table

na(n)
01
11
21
31
431
51
61
7721
8721
91
101
1116201
12104521
1316201
141
151
16389761
1710944361
1810944361
19389761
201
211
2210367281
231021305601
244202679601
251021305601
2610367281
271
281
29307480321
3092886433921
311229523926401
321229523926401
3392886433921

[1,1,1,1,31,1,1,721,721,1,1,16201,104521,16201,1,
 1,389761,10944361,10944361,389761,1,1,10367281,
 1021305601,4202679601,1021305601,10367281,1,1,
 307480321,92886433921,1229523926401,1229523926401,
 92886433921]