A197054 - OEIS

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A197054 as a triangular array

1

2 2

2 2 2

3 4 4 3

4 6 10 6 4

5 10 18 18 10 5

7 16 38 42 38 16 7

9 26 78 108 108 78 26 9

12 42 156 274 358 274 156 42 12

16 68 320 692 1132 1132 692 320 68 16

21 110 654 1754 3580 4468 3580 1754 654 110 21

28

A197054 as a square array

`1`	`2`	`2`	`3`	`4`	`5`	`7`	`9`	`12`	`16`	`21`	`28`
`2`	`2`	`4`	`6`	`10`	`16`	`26`	`42`	`68`	`110`
`2`	`4`	`10`	`18`	`38`	`78`	`156`	`320`	`654`
`3`	`6`	`18`	`42`	`108`	`274`	`692`	`1754`
`4`	`10`	`38`	`108`	`358`	`1132`	`3580`
`5`	`16`	`78`	`274`	`1132`	`4468`
`7`	`26`	`156`	`692`	`3580`
`9`	`42`	`320`	`1754`
`12`	`68`	`654`
`16`	`110`
`21`

A197054 as an upper right triangle

`1`	`2`	`2`	`3`	`4`	`5`	`7`	`9`	`12`	`16`	`21`	`28`
	`2`	`2`	`4`	`6`	`10`	`16`	`26`	`42`	`68`	`110`
		`2`	`4`	`10`	`18`	`38`	`78`	`156`	`320`	`654`
			`3`	`6`	`18`	`42`	`108`	`274`	`692`	`1754`
				`4`	`10`	`38`	`108`	`358`	`1132`	`3580`
					`5`	`16`	`78`	`274`	`1132`	`4468`
						`7`	`26`	`156`	`692`	`3580`
							`9`	`42`	`320`	`1754`
								`12`	`68`	`654`
									`16`	`110`
										`21`

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Last modified July 31 12:02 EDT 2024. Contains 374800 sequences. (Running on oeis4.)