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A224885 as a simple table

na(n)
01
11
22
315
4143
51552
618282
7228174
82976534
940256580
10561755676
118066942027
12119104886610
131809118800204
1428327453520403
15458854209551159
167727223037965079
17136130623466875012
182526349854311842166
1949724570281877830993
201043539871136604436514
2123417606258398828845811

[1,1,2,15,143,1552,18282,228174,2976534,40256580,
 561755676,8066942027,119104886610,1809118800204,
 28327453520403,458854209551159,7727223037965079,
 136130623466875012,2526349854311842166,
 49724570281877830993,1043539871136604436514,
 23417606258398828845811]