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A197051 as a simple table

na(n)
14
210
338
4108
5358
61132
73580
811382
936270
10114992
11365628
121162290
133692624
1411733828
1537293892
16118504546
17376583590
181196750110
193803034578
2012085297922
2138405269512
22122045123484
23387837623386
241232482503260
253916616317912

[4,10,38,108,358,1132,3580,11382,36270,114992,
 365628,1162290,3692624,11733828,37293892,
 118504546,376583590,1196750110,3803034578,
 12085297922,38405269512,122045123484,387837623386,
 1232482503260,3916616317912]