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A262864 as a simple table

na(n)
01
12
24
39
419
538
676
7153
8307
9614
101228
112457
124915
139830
1419660
1539321
1678643
17157286
18314572
19629145
201258291
212516582
225033164
2310066329
2420132659
2540265318
2680530636
27161061273
28322122547
29644245094
301288490188
312576980377
325153960755
3310307921510

[1,2,4,9,19,38,76,153,307,614,1228,2457,4915,9830,
 19660,39321,78643,157286,314572,629145,1258291,
 2516582,5033164,10066329,20132659,40265318,
 80530636,161061273,322122547,644245094,1288490188,
 2576980377,5153960755,10307921510]