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A238630 as a simple table

na(n)
01
13
212
375
4588
55043
644652
7399675
83590508
932294883
10290594892
112615176875
1223536060428
13211822949523
141906401762732
1517157601515675
16154418370594348
171389765206208963
1812507886468460172
19112570977053880075
201013138789998136268
219118249099522873203

[1,3,12,75,588,5043,44652,399675,3590508,32294883,
 290594892,2615176875,23536060428,211822949523,
 1906401762732,17157601515675,154418370594348,
 1389765206208963,12507886468460172,
 112570977053880075,1013138789998136268,
 9118249099522873203]