A335997 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A335997 as a triangular array

								1
							1		1
						1		2		2
					1		6		12		12
				1		24		144		288		288
			1		120		2880		17280		34560		34560
		1		720		86400		2073600		12441600		24883200		24883200
	1		5040		3628800		435456000		10450944000		62705664000		125411328000		125411328000

A335997 as a square array

1	1	1	1	1	1	1	1
1	2	6	24	120	720	5040
2	12	144	2880	86400	3628800
12	288	17280	2073600	435456000
288	34560	12441600	10450944000
34560	24883200	62705664000
24883200	125411328000
125411328000

A335997 as an upper right triangle

1	1	1	1	1	1	1	1
	1	2	6	24	120	720	5040
		2	12	144	2880	86400	3628800
			12	288	17280	2073600	435456000
				288	34560	12441600	10450944000
					34560	24883200	62705664000
						24883200	125411328000
							125411328000