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A047812 as a triangular array

1
11
131
1571
1920111
1134851181
120100169112261
128194461486221381
140352112816671210411521
1546152517495950952761720731
1751034528813241180841389458501221971

A047812 as a square array

11111111111
1359132028405475
1720481001943526151034
11151169461112825175288
1181124861667495913241
1262211210509518084
138411276113894
1527205850
1731221
197
1
11111111111
1359132028405475
1720481001943526151034
11151169461112825175288
1181124861667495913241
1262211210509518084
138411276113894
1527205850
1731221
197
1