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A269949 as a triangular array

1
11
331
51551
35353571
633151056391
231693115523199111
429300330033003429143131
643564351501590096435715195151
12155109395364655105121879121551105255171

A269949 as a square array

11353563231429643512155
13153531569330036435109395
1535105115530031501536465
17632313003900951051
1999429643521879
11114371512155
1131951105
115255
117
1
11353563231429643512155
13153531569330036435109395
1535105115530031501536465
17632313003900951051
1999429643521879
11114371512155
1131951105
115255
117
1