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A118243 as a triangular array

1
12
135
141012
15173329
16267210970
1737135305360169
185022870112921189408
19653571405364054733927985
11082528254986581890123184129702378
1111017474289

A118243 as a square array

11111111111
234567891011
510172637506582101
123372135228357528747
29109305701140525494289
70360129236408658
1691189547318901
408392723184
98512970
2378
11111111111
234567891011
510172637506582101
123372135228357528747
29109305701140525494289
70360129236408658
1691189547318901
408392723184
98512970
2378