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A054687 as a simple table

na(n)
01
12
25
319
499
5653
65187
748117
8510271
96088301
1080716427
111177130893
1218727404639
13322769897573
145990916997611
15119139798166245
162527255556219167
1756960055683893853
181359299747696197931
1934240584053654816797
20907911436336049691519
2125277557586594907583733
22737276033151104902965963

[1,2,5,19,99,653,5187,48117,510271,6088301,
 80716427,1177130893,18727404639,322769897573,
 5990916997611,119139798166245,2527255556219167,
 56960055683893853,1359299747696197931,
 34240584053654816797,907911436336049691519,
 25277557586594907583733,737276033151104902965963]