A193589 - OEIS

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A193589 as a triangular array

1

1 2

1 4 7

1 6 18 31

1 8 33 90 154

1 10 52 185 481 820

1 12 75 324 1065 2690 4575

1 14 102 515 2006 6276 15547 26398

1 16 133 766 3420 12468 37711 92124 156233

1 18 168 1085 5439 22412 78030 230277

A193589 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`2`	`4`	`6`	`8`	`10`	`12`	`14`	`16`	`18`
`7`	`18`	`33`	`52`	`75`	`102`	`133`	`168`
`31`	`90`	`185`	`324`	`515`	`766`	`1085`
`154`	`481`	`1065`	`2006`	`3420`	`5439`
`820`	`2690`	`6276`	`12468`	`22412`
`4575`	`15547`	`37711`	`78030`
`26398`	`92124`	`230277`
`156233`

A193589 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`2`	`4`	`6`	`8`	`10`	`12`	`14`	`16`	`18`
		`7`	`18`	`33`	`52`	`75`	`102`	`133`	`168`
			`31`	`90`	`185`	`324`	`515`	`766`	`1085`
				`154`	`481`	`1065`	`2006`	`3420`	`5439`
					`820`	`2690`	`6276`	`12468`	`22412`
						`4575`	`15547`	`37711`	`78030`
							`26398`	`92124`	`230277`
								`156233`

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Last modified April 24 19:06 EDT 2024. Contains 371962 sequences. (Running on oeis4.)