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Template:Seal pyramid/Liana/depth/sum

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v
a
0 1 2 3 4 5 6 7 Σ
0 1 1
1 1 1 2
2 1 2 2 5
3 1 3 6 6 16
4 1 4 12 24 26 67
5 1 5 20 60 130 158 374
6 1 6 30 120 390 948 1330 2825
7 1 7 42 210 910 3318 9310 15414 29212