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A331145 as a triangular array

1
41
931
16431
258431
3694331
491474331
6416844331
81239743331
10025148443331
121331597443331
1443616984433331
169462213874433331

A331145 as a square array

149162536496481100121144169
1348914162325333646
134478914151622
13344789913
133444788
13334447
1333444
133334
13333
1333
133
13
1
149162536496481100121144169
1348914162325333646
134478914151622
13344789913
133444788
13334447
1333444
133334
13333
1333
133
13
1