Template:Seal pyramid/Wisteria/cohort weight/2

< Template:Seal pyramid | Wisteria/cohort weight

d a	0	1	2	3	4	5	6	7	Σ
0
1
2			1						1
3			3						3
4			6	6					12
5			10	40	10				60
6			15	165	195	15			390
7			21	546	1890	840	21		3318

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