login

A204115 as a triangular array

1
-12
-416
-168-136
-10869-151360
-1152834-23026-15280
-1769614368-4668682-441147840
-506048426568-14785624262-195273-16800640
-2357388820317360

A204115 as a square array

1-1-4-16-108-1152-17696-506048-23573888
218698341436842656820317360
6-1-15-230-4668-147856
3612668224262
360-1-44-1952
5280173
147840-1
6800640
1-1-4-16-108-1152-17696-506048-23573888
218698341436842656820317360
6-1-15-230-4668-147856
3612668224262
360-1-44-1952
5280173
147840-1
6800640