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A026775 as a simple table

na(n)
01
11
22
34
47
517
628
776
8120
9352
10538
111674
122493
138129
1411854
1540156
1657558
17201236
18284392
191020922
201426038
215234660
227241356
2327089726
2437173304
25141335846
26192638992
27742712598
281006564439
293927908193
305297715628

[1,1,2,4,7,17,28,76,120,352,538,1674,2493,8129,
 11854,40156,57558,201236,284392,1020922,1426038,
 5234660,7241356,27089726,37173304,141335846,
 192638992,742712598,1006564439,3927908193,
 5297715628]