W. Lang, Sep 14 2007 

a(n,m)  tabf head (staircase) for  A132062 (extended Bessel)


   n\m    0          1          2         3         4        5       6      7     8    9 ...


   0      1          0          0         0         0        0       0      0     0    0

   1      0          1          0         0         0        0       0      0     0    0

   2      0          1          1         0         0        0       0      0     0    0

   3      0          3          3         1         0        0       0      0     0    0

   4      0         15         15         6         1        0       0      0     0    0

   5      0        105        105        45        10        1       0      0     0    0

   6      0        945        945       420       105       15       1      0     0    0

   7      0      10395      10395      4725      1260      210      21      1     0    0

   8      0     135135     135135     62370     17325     3150     378     28     1    0

   9      0    2027025    2027025    945945    270270    51975    6930    630    36    1
   .
   .
   .


 Row sums give [1, A001515] = [1,1,2,7,37,266,2431,27007,353522,5329837,90960751,...].

Alternating row sums give [1,-A000806] = -[-1,1,0,1,-5,36,-329,3655,-47844,721315,-12310199,...].


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