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A215064 as a triangular array

1
11
121
-1331
-3-4641
-9-15-101051
19-54-45-201561
99133-189-105-352171
477792532-504-210-562881
-1513429335641596-1134-378-843691
-11259

A215064 as a square array

111-1-3-91999477-1513-11259
123-4-15-541337924293
136-10-45-1895323564
1410-20-105-5041596
1515-35-210-1134
1621-56-378
1728-84
1836
19
1
111-1-3-91999477-1513-11259
123-4-15-541337924293
136-10-45-1895323564
1410-20-105-5041596
1515-35-210-1134
1621-56-378
1728-84
1836
19
1