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A326983 as a simple table

na(n)
01
10
22
32
410
550
6250
71442
89514
968882
10539098
114546562
1241123338
13396400754
144050377146
1543694283362
16495985850602
175906224845266
1873578420729754
19956597103241922
2012951012525806026
21182233188537332018
222660301596873941882
2340226477151229612322

[1,0,2,2,10,50,250,1442,9514,68882,539098,4546562,
 41123338,396400754,4050377146,43694283362,
 495985850602,5906224845266,73578420729754,
 956597103241922,12951012525806026,
 182233188537332018,2660301596873941882,
 40226477151229612322]