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A047888 as a triangular array

1
11
121
1521
114621
14223621
113210324621
142951311924621
11430276169412024621
1486215767458271912024621
1167969435933324500372012024621
158786586590

A047888 as a square array

111111111111
1251442132429143048621679658786
1262310351327611576794359586590
12624119694458233324
126241207195003
12624120720
12624120
12624
126
12
1

A047888 as an upper right triangle

111111111111
1251442132429143048621679658786
1262310351327611576794359586590
12624119694458233324
126241207195003
12624120720
12624120
12624
126
12
1

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Last modified December 22 00:41 EST 2014. Contains 252326 sequences.