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A223876 as a triangular array

4
1616
5025664
13025004096256
2961690099223655361024
610876161336985386337210485764096
116337210012520369886826771529185171677721616384
208313525699064828912719925125941888105

A223876 as a square array

4165013029661011632083
16256250016900876163721001352569
6440969922313369851252036990648289
256655363863372886826771271992512
102410485761529185175941888105
409616777216
16384
4165013029661011632083
16256250016900876163721001352569
6440969922313369851252036990648289
256655363863372886826771271992512
102410485761529185175941888105
409616777216
16384