巴督萬數列(Padovan)
1,1,1, 2 ,2 ,3, 4, 5, 7, 9, 12, 16, 21, 28, 37, 49
,...
巴督萬數列的前n項
n=
( n > 3 )
P
n
代表數列的第n項
,P
1
=1,P
2
=1,P
3
=1,P
n
=P
n-3
+P
n-2
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