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A297715 as a simple table

na(n)
14
234
3145
4747
54090
621116
7110551
8582755
93055652
1016036278
1184225551
12442157803
132321279598
1412187515422
1563986012963
16335934438957
171763713210610
189259764998068
1948615161059469
20255237152397199
211340034403055100

[4,34,145,747,4090,21116,110551,582755,3055652,
 16036278,84225551,442157803,2321279598,
 12187515422,63986012963,335934438957,
 1763713210610,9259764998068,48615161059469,
 255237152397199,1340034403055100]