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A278171 as a simple table

na(n)
10
22
35
413
543
6137
7436
81394
94458
1014258
1145607
12145888
13466673
141492823
154775347
1615275728
1748865129
18156313412
19500027005
201599523726
215116675993
2216367605483
2352357919474
24167486425305
25535768092953
261713855012003
275482407483581

[0,2,5,13,43,137,436,1394,4458,14258,45607,145888,
 466673,1492823,4775347,15275728,48865129,
 156313412,500027005,1599523726,5116675993,
 16367605483,52357919474,167486425305,535768092953,
 1713855012003,5482407483581]