A342987 - OEIS

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A342987 as a triangular array

1

0 1

0 2 2

0 3 15 5

0 4 60 84 14

0 5 175 650 420 42

0 6 420 3324 5352 1980 132

0 7 882 13020 42469 37681 9009 429

0 8 1680 42240 246540 429120 239752 40040 1430

0 9 2970 118998 1142622 3462354 3711027 1421226 175032 4862

A342987 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`
`2`	`15`	`60`	`175`	`420`	`882`	`1680`	`2970`
`5`	`84`	`650`	`3324`	`13020`	`42240`	`118998`
`14`	`420`	`5352`	`42469`	`246540`	`1142622`
`42`	`1980`	`37681`	`429120`	`3462354`
`132`	`9009`	`239752`	`3711027`
`429`	`40040`	`1421226`
`1430`	`175032`
`4862`

A342987 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`
		`2`	`15`	`60`	`175`	`420`	`882`	`1680`	`2970`
			`5`	`84`	`650`	`3324`	`13020`	`42240`	`118998`
				`14`	`420`	`5352`	`42469`	`246540`	`1142622`
					`42`	`1980`	`37681`	`429120`	`3462354`
						`132`	`9009`	`239752`	`3711027`
							`429`	`40040`	`1421226`
								`1430`	`175032`
									`4862`

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)