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A270236 as a triangular array

1
31
951
302181
1128847121
46338725397171
209518161345675184231
102799123730444181641324301
54267489714119328396132763645536381
306298279855243152183615102244362237473842471

A270236 as a square array

1393011246320951027954267306298
1521883871816912348971279855
18472531345730441193243152
11297675441828396183615
117184164113276102244
123324364536223
1305367473
138842
147
1
1393011246320951027954267306298
1521883871816912348971279855
18472531345730441193243152
11297675441828396183615
117184164113276102244
123324364536223
1305367473
138842
147
1