A221817 - OEIS

The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.

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

A221817 as a triangular array

0

1 0

0 4 0

1 16 12 0

0 91 14 40 0

1 459 1041 379 136 0

0 2429 7320 29412 1052 460 0

1 12678 123644 854959 574706 11079 1556 0

0 66380 1271018 35948127 35993876 13076919 47390 5264 0

1 347305 17049353

A221817 as a square array

`0`	`1`	`0`	`1`	`0`	`1`	`0`	`1`	`0`	`1`
`0`	`4`	`16`	`91`	`459`	`2429`	`12678`	`66380`	`347305`
`0`	`12`	`14`	`1041`	`7320`	`123644`	`1271018`	`17049353`
`0`	`40`	`379`	`29412`	`854959`	`35948127`
`0`	`136`	`1052`	`574706`	`35993876`
`0`	`460`	`11079`	`13076919`
`0`	`1556`	`47390`
`0`	`5264`
`0`

A221817 as an upper right triangle

`0`	`1`	`0`	`1`	`0`	`1`	`0`	`1`	`0`	`1`
	`0`	`4`	`16`	`91`	`459`	`2429`	`12678`	`66380`	`347305`
		`0`	`12`	`14`	`1041`	`7320`	`123644`	`1271018`	`17049353`
			`0`	`40`	`379`	`29412`	`854959`	`35948127`
				`0`	`136`	`1052`	`574706`	`35993876`
					`0`	`460`	`11079`	`13076919`
						`0`	`1556`	`47390`
							`0`	`5264`
								`0`

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 10 19:30 EDT 2024. Contains 373280 sequences. (Running on oeis4.)