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A022180 as a simple table

na(n)
01
11
21
31
417
51
61
7273
8273
91
101
114369
1270161
134369
141
151
1669905
1717965585
1817965585
1969905
201
211
221118481
234599259665
2473605001745
254599259665
261118481
271
281
2917895697
301177411592721
31301490686407185
32301490686407185

[1,1,1,1,17,1,1,273,273,1,1,4369,70161,4369,1,1,
 69905,17965585,17965585,69905,1,1,1118481,
 4599259665,73605001745,4599259665,1118481,1,1,
 17895697,1177411592721,301490686407185,
 301490686407185]