First, second, third... differences (corrected)

[Eric Angelini]

My apologizes, this is the first such triangle :-( 


0   5   11   19   31    59   137   337   795 ...
  5   6    8    12   28    78   200   458
    1    2    4   16    50   122   258
      1    2    12   34    72   136
         1   10   22    38    64
           9    12   16    26
              3    4    10
                 1    6
                   5

Best,
E.

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