Template:Seal pyramid/Wisteria/depth/2

c a	0	1	2	3	4	5	6	7	Σ
0
1
2			1						1
3	1	3	3						7
4	13	16	6						35
5	90	55	10						155
6	480	156	15						651
7	2247	399	21						2667