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A373961 as a simple table

na(n)
11
22
33
44
55
67
715
844
9129
10340
11804
121742
133550
147009
1513835
1628033
1758993
18128136
19282569
20622575
211357136
222918449
236204578
2413104675
2527646776
2658502733
27124411595
28265807567
29569552644
301221316021
312616456236
325595314908
3311944318042
3425466629978

[1,2,3,4,5,7,15,44,129,340,804,1742,3550,7009,
 13835,28033,58993,128136,282569,622575,1357136,
 2918449,6204578,13104675,27646776,58502733,
 124411595,265807567,569552644,1221316021,
 2616456236,5595314908,11944318042,25466629978]