Template:Seal triangles Elm and Lime/Elm

 

🌊    triangle Elm (A076831)    row sums Clover (A076766)
k n	0	1	2	3	4	5	6	7	sums
0	1								1
1	1	1							2
2	1	2	1						4
3	1	3	3	1					8
4	1	4	6	4	1				16
5	1	5	10	10	5	1			32
6	1	6	16	22	16	6	1		68
7	1	7	23	43	43	23	7	1	148