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A123004 as a simple table

na(n)
10
21
32
429
5108
6941
74582
832689
9179928
101177081
116852362
1243131749
13257572548
141593438821
159626191342
1659088353209
17358831489968
182194871810161
1913360530869522
2081592856993069
21497198985724188
223034219396275101

[0,1,2,29,108,941,4582,32689,179928,1177081,
 6852362,43131749,257572548,1593438821,9626191342,
 59088353209,358831489968,2194871810161,
 13360530869522,81592856993069,497198985724188,
 3034219396275101]