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A056860 as a triangular array

1
11
122
1365
14122015
1520507552
1630100225312203
174217552510921421877
185628010502912568470164140
19724201890655217052315723726021147

A056860 as a square array

1111111111
123456789
26122030425672
52050100175280420
157522552510501890
52312109229126552
2031421568417052
877701631572
414037260
21147

A056860 as an upper right triangle

1111111111
123456789
26122030425672
52050100175280420
157522552510501890
52312109229126552
2031421568417052
877701631572
414037260
21147

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Last modified January 23 07:07 EST 2020. Contains 331168 sequences. (Running on oeis4.)