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A368283 as a simple table

na(n)
01
13
211
352
4320
52486
623402
7258252
83263528
946433648
10734322672
1112776283136
12242519067056
134987324250416
14110454579648688
152621008072506592
1666341399843669760
171784150447268259456
1850804574646886197888
191527058892582680257024

[1,3,11,52,320,2486,23402,258252,3263528,46433648,
 734322672,12776283136,242519067056,4987324250416,
 110454579648688,2621008072506592,
 66341399843669760,1784150447268259456,
 50804574646886197888,1527058892582680257024]