A321000 - OEIS

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A321000 as a triangular array

1

1 2

1 4 5

1 6 23 15

1 8 53 173 52

1 10 95 619 1602 203

1 12 149 1497 8972 17575 877

1 14 215 2951 29362 155067 222497 4140

1 16 293 5125 72852 688439 3109269 3188806 21147

1 18 383 8163 152402 2152651 18766393 70893872 50988405 115975

A321000 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`2`	`4`	`6`	`8`	`10`	`12`	`14`	`16`	`18`
`5`	`23`	`53`	`95`	`149`	`215`	`293`	`383`
`15`	`173`	`619`	`1497`	`2951`	`5125`	`8163`
`52`	`1602`	`8972`	`29362`	`72852`	`152402`
`203`	`17575`	`155067`	`688439`	`2152651`
`877`	`222497`	`3109269`	`18766393`
`4140`	`3188806`	`70893872`
`21147`	`50988405`
`115975`

A321000 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`2`	`4`	`6`	`8`	`10`	`12`	`14`	`16`	`18`
		`5`	`23`	`53`	`95`	`149`	`215`	`293`	`383`
			`15`	`173`	`619`	`1497`	`2951`	`5125`	`8163`
				`52`	`1602`	`8972`	`29362`	`72852`	`152402`
					`203`	`17575`	`155067`	`688439`	`2152651`
						`877`	`222497`	`3109269`	`18766393`
							`4140`	`3188806`	`70893872`
								`21147`	`50988405`
									`115975`

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Last modified April 19 09:23 EDT 2024. Contains 371782 sequences. (Running on oeis4.)