Template:Seal pyramid/Ivy/valency/3

< Template:Seal pyramid | Ivy/valency

d a	0	1	2	3	4	5	6	7	Σ
0
1
2
3		1	4	1					6
4		3	12	3					18
5		6	24	6					36
6		10	40	10					60
7		15	60	15					90

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