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A220778 as a simple table

na(n)
01
11
24
34
449
54
67104
74
813036591
937201
10258619377111
114
1253060638473837524
134
14112202211800073777695003
1567433402020431

[1,1,4,4,49,4,7104,4,13036591,37201,258619377111,
 4,53060638473837524,4,112202211800073777695003,
 67433402020431]