A027170 - OEIS

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A027170 as a triangular array

1

3 3

5 10 5

7 19 19 7

9 30 42 30 9

11 43 76 76 43 11

13 58 123 156 123 58 13

15 75 185 283 283 185 75 15

17 94 264 472 570 472 264 94 17

19 115 362 740 1046 1046 740 362 115 19

21 138 481 1106 1790 2096 1790 1106 481 138 21

A027170 as a square array

`1`	`3`	`5`	`7`	`9`	`11`	`13`	`15`	`17`	`19`	`21`
`3`	`10`	`19`	`30`	`43`	`58`	`75`	`94`	`115`	`138`
`5`	`19`	`42`	`76`	`123`	`185`	`264`	`362`	`481`
`7`	`30`	`76`	`156`	`283`	`472`	`740`	`1106`
`9`	`43`	`123`	`283`	`570`	`1046`	`1790`
`11`	`58`	`185`	`472`	`1046`	`2096`
`13`	`75`	`264`	`740`	`1790`
`15`	`94`	`362`	`1106`
`17`	`115`	`481`
`19`	`138`
`21`

A027170 as an upper right triangle

`1`	`3`	`5`	`7`	`9`	`11`	`13`	`15`	`17`	`19`	`21`
	`3`	`10`	`19`	`30`	`43`	`58`	`75`	`94`	`115`	`138`
		`5`	`19`	`42`	`76`	`123`	`185`	`264`	`362`	`481`
			`7`	`30`	`76`	`156`	`283`	`472`	`740`	`1106`
				`9`	`43`	`123`	`283`	`570`	`1046`	`1790`
					`11`	`58`	`185`	`472`	`1046`	`2096`
						`13`	`75`	`264`	`740`	`1790`
							`15`	`94`	`362`	`1106`
								`17`	`115`	`481`
									`19`	`138`
										`21`

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Last modified April 19 17:39 EDT 2024. Contains 371797 sequences. (Running on oeis4.)