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A294003 as a simple table

na(n)
01
11
23
316
4145
52046
640831
71078288
836229761
91508861980
1076260702331
114591005777216
12323906453871793
1326419909067594056
142463658914613015575
15260204512488337862656
1630878562368653933102081
174088281211853327516484368
18600094288103991706472584051

[1,1,3,16,145,2046,40831,1078288,36229761,
 1508861980,76260702331,4591005777216,
 323906453871793,26419909067594056,
 2463658914613015575,260204512488337862656,
 30878562368653933102081,4088281211853327516484368,
 600094288103991706472584051]