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A156341 as a simple table

na(n)
02
118
2194
32130
423426
5257682
62834498
731179474
8342974210
93772716306
1041499879362
11456498672978
125021485402754
1355236339430290
14607599733733186
156683597071065042
1673519567781715458
17808715245598870034
188895867701587570370
1997854544717463274066

[2,18,194,2130,23426,257682,2834498,31179474,
 342974210,3772716306,41499879362,456498672978,
 5021485402754,55236339430290,607599733733186,
 6683597071065042,73519567781715458,
 808715245598870034,8895867701587570370,
 97854544717463274066]