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A121840 as a simple table

na(n)
115485863
232452843
349979687
467867967
586028121
6104395301
7122949823
8141650939
9160481183
10179424673
11198491317
12217645177
13236887691
14256203161
15275604541
16295075147
17314606869
18334214459
19353868013
20373587883
21393342739

[15485863,32452843,49979687,67867967,86028121,
 104395301,122949823,141650939,160481183,179424673,
 198491317,217645177,236887691,256203161,275604541,
 295075147,314606869,334214459,353868013,373587883,
 393342739]