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Template:Seal pyramid/Lonicera/pennon weight/2

From Wikiversity
d
a
0 1 2 3 4 5 6 7 Σ
0
1
2 1 1
3 2 2
4 3 6 9
5 4 34 10 48
6 5 125 185 15 330
7 6 381 1695 825 21 2928