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A250118 as a triangular array

1
11
131
1761
1152591
1319052121
16330124688151
11279661039510133181
1255302540832569909187211
15119330152741179052961470250241
110232850155152506442767897062220322271

A250118 as a square array

11111111111
1371531631272555111023
1625903019663025933028501
1952246103940831527455152
1128851025691179050644
115133909529627678
11818714709706
1212502220
124322
127
1
11111111111
1371531631272555111023
1625903019663025933028501
1952246103940831527455152
1128851025691179050644
115133909529627678
11818714709706
1212502220
124322
127
1