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A131400 as a triangular array

1
21
221
2331
23631
247741
241181141
251215151251
25171630161751
2618273636271861
262428634263282461
27254471848471442571

A131400 as a square array

122222222222
12334455667
1367111217182425
13781516272844
14111530366371
141216364284
1517276384
15182871
162444
1625
17
1
122222222222
12334455667
1367111217182425
13781516272844
14111530366371
141216364284
1517276384
15182871
162444
1625
17
1