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A212013 as a triangular array

1
34
7910
14171920
2529323435
414650535556
63697478818384
9299105110114117119120
129137144150155159162164165
175184192199205210214217219220
231

A212013 as a square array

1371425416392129175231
491729466999137184
1019325074105144192
20345378110150199
355581114155205
5683117159210
84119162214
120164217
165219
220
1371425416392129175231
491729466999137184
1019325074105144192
20345378110150199
355581114155205
5683117159210
84119162214
120164217
165219
220