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A099594 as a triangular array

1
11
121
1441
181481
1164646161
132146230146321
16445410661066454641
1128139447186902471813941281
125642462026641506415062026642462561
1512128668531023768632946223768685310128665121

A099594 as a square array

11111111111
1248163264128256512
1414461464541394424612866
1846230106647182026685310
1161461066690241506237686
132454471841506329462
164139420266237686
1128424685310
125612866
1512
1
11111111111
1248163264128256512
1414461464541394424612866
1846230106647182026685310
1161461066690241506237686
132454471841506329462
164139420266237686
1128424685310
125612866
1512
1