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A173109 as a simple table

na(n)
01
11
23
36
418
558
6221
7935
84361
922082
10120336
11700652
124333933
1328345089
14195233255
151411303634
1610675375402
1784276173438
18692752181561
195917018378495
2052416910416933
21480786834535246
224559132648864256
2344632792689619592
24450518001943669545

[1,1,3,6,18,58,221,935,4361,22082,120336,700652,
 4333933,28345089,195233255,1411303634,10675375402,
 84276173438,692752181561,5917018378495,
 52416910416933,480786834535246,4559132648864256,
 44632792689619592,450518001943669545]