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A178512 as a simple table

na(n)
11
2121
314521
41742521
5209102521
625092302521
73011076302521
8361329156302521
943359498756302521
105203139850756302521
11624376782090756302521
1274925213850890756302521
138991025662106890756302521
141078923079452826890756302521
15129470769534339226890756302521

[1,121,14521,1742521,209102521,25092302521,
 3011076302521,361329156302521,43359498756302521,
 5203139850756302521,624376782090756302521,
 74925213850890756302521,8991025662106890756302521,
 1078923079452826890756302521,
 129470769534339226890756302521]