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A363867 as a simple table

na(n)
01
15
261
3923
415421
5272755
65006275
794307855
81811113021
935301145037
10696227550811
1113863654392945
12278264498108611
135622746346645953
14114268249446672151
152333733620675302423
1647868774493665731645
17985608360056821004233
1820362035153323824192645

[1,5,61,923,15421,272755,5006275,94307855,
 1811113021,35301145037,696227550811,
 13863654392945,278264498108611,5622746346645953,
 114268249446672151,2333733620675302423,
 47868774493665731645,985608360056821004233,
 20362035153323824192645]