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A131333 as a triangular array

1
11
211
3221
53421
857431
138127731
2113201214741
3421332026141141
553454334626251151

A131333 as a square array

11235813213455
112358132134
124712203354
1247122033
137142646
1371426
141125
1411
15
1
11235813213455
112358132134
124712203354
1247122033
137142646
1371426
141125
1411
15
1