四面体的第n个切片由项T(i,j,k)组成,其中i+j+k=n。
切片0,1,2,3,4,5为:
....................1
------------------
....................1
...................1.1
------------------
....................10
...................4.10
..................1.3..3
------------------
...................280
..................70.280
................10.60.105
...............1..6.15..15
------------------
..................15400
................2800.15400
...............280.2520.6300
.............20..210.840.1260
............1..10..45..105.105
------------------
.................1401400
.............200200.1401400
.........15400.184800...600600
......840..12600..69300...138600
…35…560…3780…12600…17325
1......15....105....420......945.....945
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