W. Lang, Oct 12 2007

a(n,m) tabl head (triangle) for  A132166, called s1p(7)


   n\m            1             2            3           4          5         6        7      8    9   10...


   1              1             0            0           0          0         0        0      0    0    0

   2             21             1            0           0          0         0        0      0    0    0

   3            336            42            1           0          0         0        0      0    0    0

   4           4536          1113           63           1          0         0        0      0    0    0

   5          54432         23184         2331          84          1         0        0      0    0    0

   6         598752        412272        65205        3990        105         1        0      0    0    0

   7        6158592       6531840      1518048      139860       6090       126        1      0    0    0

   8       60046272      94618368     30912840     4010769     256410      8631      147      1    0    0

   9      560431872    1274921856    567362016    99302112    8723925    424116    11613    168    1    0
  
  10     5043886848   16176101760   9573741216  2193126624  253790901  16685487   652239  15036  189    1
   .
   .
   .


 The first column is A036224: [1,21,336,4536,54432,598752,6158592,60046272,560431872,5043886848,...].

 The row sums give A132167= [1,22,379,5713,80032,1080325,14354557,189853438,2511177679,33258000301,...].

 The alternating row sums give A132168= [1,20,295,3485,33496,247799,1010905,7422100,238118825,3513857515,...].


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