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Template:Seal pyramid/Lonicera/depth/2

From Wikiversity
p
a
0 1 2 3 4 5 6 7 Σ
0
1
2 1 1
3 1 3 2 6
4 12 13 3 28
5 77 39 4 120
6 390 101 5 496
7 1767 243 6 2016