A028263 - OEIS

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A028263 as a triangular array

3

4 4

5 8 5

6 13 13 6

7 19 26 19 7

8 26 45 45 26 8

9 34 71 90 71 34 9

10 43 105 161 161 105 43 10

11 53 148 266 322 266 148 53 11

12 64 201 414 588 588 414 201 64 12

13 76 265 615 1002 1176 1002 615 265 76 13

A028263 as a square array

`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`	`12`	`13`
`4`	`8`	`13`	`19`	`26`	`34`	`43`	`53`	`64`	`76`
`5`	`13`	`26`	`45`	`71`	`105`	`148`	`201`	`265`
`6`	`19`	`45`	`90`	`161`	`266`	`414`	`615`
`7`	`26`	`71`	`161`	`322`	`588`	`1002`
`8`	`34`	`105`	`266`	`588`	`1176`
`9`	`43`	`148`	`414`	`1002`
`10`	`53`	`201`	`615`
`11`	`64`	`265`
`12`	`76`
`13`

A028263 as an upper right triangle

`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`	`12`	`13`
	`4`	`8`	`13`	`19`	`26`	`34`	`43`	`53`	`64`	`76`
		`5`	`13`	`26`	`45`	`71`	`105`	`148`	`201`	`265`
			`6`	`19`	`45`	`90`	`161`	`266`	`414`	`615`
				`7`	`26`	`71`	`161`	`322`	`588`	`1002`
					`8`	`34`	`105`	`266`	`588`	`1176`
						`9`	`43`	`148`	`414`	`1002`
							`10`	`53`	`201`	`615`
								`11`	`64`	`265`
									`12`	`76`
										`13`

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Last modified April 25 10:01 EDT 2024. Contains 371967 sequences. (Running on oeis4.)