Template:Seal pyramid/Ivy/depth/2

v a	0	1	2	3	4	5	6	7	Σ
0
1
2			1						1
3			2	4					6
4			3	12	13				28
5			4	24	52	40			120
6			5	40	130	200	121		496
7			6	60	260	600	726	364	2016