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A128387 as a simple table

na(n)
01
11
26
311
466
5146
6876
72131
812786
932966
10197796
11530526
123183156
138786436
1452718616
15148733571
16892401426
172561439806
1815368638836
1944731364266
20268388185596
21790211926076
224741271556456
2314095578557486

[1,1,6,11,66,146,876,2131,12786,32966,197796,
 530526,3183156,8786436,52718616,148733571,
 892401426,2561439806,15368638836,44731364266,
 268388185596,790211926076,4741271556456,
 14095578557486]