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A049942 as a simple table

na(n)
11
21
33
46
512
624
748
898
9199
10393
11786
121574
133151
146308
1512628
1625280
1750610
18101123
19202246
20404494
21808991
221617988
233235988
246472000
2512944050
2625888201
2751776596
28103553585
29207107958
30414217493
31828438143
321656882606
333313777864
346627530449
3513255060898
3626510121798
3753020243599

[1,1,3,6,12,24,48,98,199,393,786,1574,3151,6308,
 12628,25280,50610,101123,202246,404494,808991,
 1617988,3235988,6472000,12944050,25888201,
 51776596,103553585,207107958,414217493,828438143,
 1656882606,3313777864,6627530449,13255060898,
 26510121798,53020243599]