Triangle

[Richard Mathar]

If you are going to post something like this, please let us know
how you encountered it.  Did you come up with some rules to
generate it?  Did you find it in a publication?  Give us whatever
information you have.

Franklin T. Adams-Watters

-----Original Message-----
From: Gottfried Helms <helms at uni-kassel.de>

Did someone come across this triangle?

                          1
                     1    1    1
                1    3    4    3    1
           1    7   13   19   13    6   1
      1   15   40   85   96   75   35  10  1
  1  31  121  335  560  616  471  240  80  15  1
 ...


(not found in OEIS)

Apparently related to Stirling numbers (1'st or 2'nd kind)
       1
     1   1
   1   3   1
 1   7   6   1
 ...

Gottfried Helms