A222403 - OEIS

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A222403 as a triangular array

0

1 1

3 2 3

6 5 5 6

10 11 10 11 10

15 21 21 21 21 15

21 36 42 42 42 36 21

28 57 78 84 84 78 57 28

36 85 135 162 168 162 135 85 36

45 121 220 297 330 330 297 220 121 45

55 166 341 517 627 660 627 517 341 166 55

A222403 as a square array

`0`	`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`	`55`
`1`	`2`	`5`	`11`	`21`	`36`	`57`	`85`	`121`	`166`
`3`	`5`	`10`	`21`	`42`	`78`	`135`	`220`	`341`
`6`	`11`	`21`	`42`	`84`	`162`	`297`	`517`
`10`	`21`	`42`	`84`	`168`	`330`	`627`
`15`	`36`	`78`	`162`	`330`	`660`
`21`	`57`	`135`	`297`	`627`
`28`	`85`	`220`	`517`
`36`	`121`	`341`
`45`	`166`
`55`

A222403 as an upper right triangle

`0`	`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`	`55`
	`1`	`2`	`5`	`11`	`21`	`36`	`57`	`85`	`121`	`166`
		`3`	`5`	`10`	`21`	`42`	`78`	`135`	`220`	`341`
			`6`	`11`	`21`	`42`	`84`	`162`	`297`	`517`
				`10`	`21`	`42`	`84`	`168`	`330`	`627`
					`15`	`36`	`78`	`162`	`330`	`660`
						`21`	`57`	`135`	`297`	`627`
							`28`	`85`	`220`	`517`
								`36`	`121`	`341`
									`45`	`166`
										`55`

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Last modified April 24 10:11 EDT 2024. Contains 371935 sequences. (Running on oeis4.)