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A373289 as a triangular array

1
23
457
8101115
1620213031
324041516163
6480100101110111127
128130200201211221223255
256320400300301311501510511
51252052160060110001001101110211023
10241040103011001101200020012010

A373289 as a square array

12481632641282565121024
35102040801303205201040
71121411002004005211030
1530511012013006001100
31611102113016011101
6311122131110002000
12722350110012001
25551010112010
5111021
1023
12481632641282565121024
35102040801303205201040
71121411002004005211030
1530511012013006001100
31611102113016011101
6311122131110002000
12722350110012001
25551010112010
5111021
1023