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Template:Seal triangles Willow and Poplar

From Wikiversity
summation of Beech
d
a
0 1 2 3 4 5 6 7 sums
0 1 1
1 1 1 2
2 1 2 2 5
3 1 3 5 4 13
4 1 4 9 11 8 33
5 1 5 14 22 23 16 81
6 1 6 21 41 53 51 36 209
7 1 7 29 70 109 124 115 80 535
triangle Beech (~A076832)    row sums Poppy
d
a
0 1 2 3 4 5 6 7 sums
0 1 1
1 0 1 1
2 0 1 2 3
3 0 1 3 4 8
4 0 1 4 7 8 20
5 0 1 5 11 15 16 48
6 0 1 7 19 30 35 36 128
7 0 1 8 29 56 73 79 80 326