A122890 - OEIS

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A122890 as a triangular array

1

0 1

0 0 2

0 0 1 5

0 0 0 10 14

0 0 0 8 70 42

0 0 0 4 160 424 132

0 0 0 1 250 1978 2382 429

0 0 0 0 302 6276 19508 12804 1430

0 0 0 0 298 15674 106492 168608 66946 4862

0 0 0 0 244 33148 451948 1445208 1337684 343772 16796

A122890 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`2`	`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`5`	`10`	`8`	`4`	`1`	`0`	`0`	`0`
`14`	`70`	`160`	`250`	`302`	`298`	`244`
`42`	`424`	`1978`	`6276`	`15674`	`33148`
`132`	`2382`	`19508`	`106492`	`451948`
`429`	`12804`	`168608`	`1445208`
`1430`	`66946`	`1337684`
`4862`	`343772`
`16796`

A122890 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
		`2`	`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
			`5`	`10`	`8`	`4`	`1`	`0`	`0`	`0`
				`14`	`70`	`160`	`250`	`302`	`298`	`244`
					`42`	`424`	`1978`	`6276`	`15674`	`33148`
						`132`	`2382`	`19508`	`106492`	`451948`
							`429`	`12804`	`168608`	`1445208`
								`1430`	`66946`	`1337684`
									`4862`	`343772`
										`16796`

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Last modified August 30 09:19 EDT 2024. Contains 375532 sequences. (Running on oeis4.)