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A046723 as a simple table

na(n)
41
54
617
766
8254
9956
103584
1113256
1249052
13179552
14658560
152394504
168724464
1731575096
18114451388
19412811544
201490190544
215360943684
2219288139802
2369245171564
24248463024330
25890477645192
263188033497580
2711409453277272
2840771092374710
29145735210316376
30519955750491512

[1,4,17,66,254,956,3584,13256,49052,179552,658560,
 2394504,8724464,31575096,114451388,412811544,
 1490190544,5360943684,19288139802,69245171564,
 248463024330,890477645192,3188033497580,
 11409453277272,40771092374710,145735210316376,
 519955750491512]