A228815 - OEIS

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A228815 as a triangular array

0

1 1

1 2 1

2 5 5 2

3 10 14 10 3

5 20 36 36 20 5

8 38 83 106 83 38 8

13 71 182 281 281 182 71 13

21 130 382 690 834 690 382 130 21

34 235 778 1606 2268 2268 1606 778 235 34

55 420 1546 3586 5780 6750

A228815 as a square array

`0`	`1`	`1`	`2`	`3`	`5`	`8`	`13`	`21`	`34`	`55`
`1`	`2`	`5`	`10`	`20`	`38`	`71`	`130`	`235`	`420`
`1`	`5`	`14`	`36`	`83`	`182`	`382`	`778`	`1546`
`2`	`10`	`36`	`106`	`281`	`690`	`1606`	`3586`
`3`	`20`	`83`	`281`	`834`	`2268`	`5780`
`5`	`38`	`182`	`690`	`2268`	`6750`
`8`	`71`	`382`	`1606`
`13`	`130`	`778`
`21`	`235`
`34`

A228815 as an upper right triangle

`0`	`1`	`1`	`2`	`3`	`5`	`8`	`13`	`21`	`34`	`55`
	`1`	`2`	`5`	`10`	`20`	`38`	`71`	`130`	`235`	`420`
		`1`	`5`	`14`	`36`	`83`	`182`	`382`	`778`	`1546`
			`2`	`10`	`36`	`106`	`281`	`690`	`1606`	`3586`
				`3`	`20`	`83`	`281`	`834`	`2268`	`5780`
					`5`	`38`	`182`	`690`	`2268`	`6750`
						`8`	`71`	`382`	`1606`
							`13`	`130`	`778`
								`21`	`235`
									`34`

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)