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A026743 as a simple table

na(n)
01
12
24
38
417
534
673
7146
8314
9628
101350
112700
125798
1311596
1424872
1549744
16106573
17213146
18456169
19912338
201950697
213901394
228334539
2316669078
2435582783
2571165566
26151809737
27303619474
28647279131
291294558262
302758310121

[1,2,4,8,17,34,73,146,314,628,1350,2700,5798,
 11596,24872,49744,106573,213146,456169,912338,
 1950697,3901394,8334539,16669078,35582783,
 71165566,151809737,303619474,647279131,1294558262,
 2758310121]