A216953 - OEIS

A216953 as a triangular array

2

2 2

2 0 6

2 2 0 12

2 0 0 0 30

2 2 6 0 0 54

2 0 0 0 0 0 126

2 2 0 12 0 0 0 240

2 0 6 0 0 0 0 0 504

2 2 0 0 30 0 0 0 0 990

2 0 0 0 0 0 0 0 0 0 2046

2 2 6 12 0 54 0 0 0 0 0 4020

2 0 0 0 0 0 0 0 0 0 0 0 8190

2 2 0 0 0 0 126 0 0 0 0 0 0 16254

2 2 2 2 2 2 2 2 2 2 2 2 2 2

2 0 2 0 2 0 2 0 2 0 2 0 2

6 0 0 6 0 0 6 0 0 6 0 0

12 0 0 0 12 0 0 0 12 0 0

30 0 0 0 0 30 0 0 0 0

54 0 0 0 0 0 54 0 0

126 0 0 0 0 0 0 126

240 0 0 0 0 0 0

504 0 0 0 0 0

990 0 0 0 0

2046 0 0 0

4020 0 0

8190 0

16254