A309973 - OEIS

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A309973 as a triangular array

1

0 1

0 1 3

0 2 6 10

0 2 21 42 47

0 3 42 177 264 246

0 4 90 619 1746 2095 1602

0 5 176 1809 7556 16085 16608 11481

0 6 348 5211 32621 100030 171480 154385 95503

0 8 640 13961 120964 522890 1262832 1842659 1503232 871030

A309973 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`1`	`2`	`2`	`3`	`4`	`5`	`6`	`8`
`3`	`6`	`21`	`42`	`90`	`176`	`348`	`640`
`10`	`42`	`177`	`619`	`1809`	`5211`	`13961`
`47`	`264`	`1746`	`7556`	`32621`	`120964`
`246`	`2095`	`16085`	`100030`	`522890`
`1602`	`16608`	`171480`	`1262832`
`11481`	`154385`	`1842659`
`95503`	`1503232`
`871030`

A309973 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`1`	`2`	`2`	`3`	`4`	`5`	`6`	`8`
		`3`	`6`	`21`	`42`	`90`	`176`	`348`	`640`
			`10`	`42`	`177`	`619`	`1809`	`5211`	`13961`
				`47`	`264`	`1746`	`7556`	`32621`	`120964`
					`246`	`2095`	`16085`	`100030`	`522890`
						`1602`	`16608`	`171480`	`1262832`
							`11481`	`154385`	`1842659`
								`95503`	`1503232`
									`871030`

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Last modified May 28 16:48 EDT 2024. Contains 372916 sequences. (Running on oeis4.)