A238731 - OEIS

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A238731 as a triangular array

1

1 1

2 4 1

5 13 7 1

13 40 33 10 1

34 120 132 62 13 1

89 354 483 308 100 16 1

233 1031 1671 1345 595 147 19 1

610 2972 5561 5398 3030 1020 203 22 1

1597 8495 17984 20410 13893 5943 1610 268 25 1

4181

A238731 as a square array

`1`	`1`	`2`	`5`	`13`	`34`	`89`	`233`	`610`	`1597`	`4181`
`1`	`4`	`13`	`40`	`120`	`354`	`1031`	`2972`	`8495`
`1`	`7`	`33`	`132`	`483`	`1671`	`5561`	`17984`
`1`	`10`	`62`	`308`	`1345`	`5398`	`20410`
`1`	`13`	`100`	`595`	`3030`	`13893`
`1`	`16`	`147`	`1020`	`5943`
`1`	`19`	`203`	`1610`
`1`	`22`	`268`
`1`	`25`
`1`

A238731 as an upper right triangle

`1`	`1`	`2`	`5`	`13`	`34`	`89`	`233`	`610`	`1597`	`4181`
	`1`	`4`	`13`	`40`	`120`	`354`	`1031`	`2972`	`8495`
		`1`	`7`	`33`	`132`	`483`	`1671`	`5561`	`17984`
			`1`	`10`	`62`	`308`	`1345`	`5398`	`20410`
				`1`	`13`	`100`	`595`	`3030`	`13893`
					`1`	`16`	`147`	`1020`	`5943`
						`1`	`19`	`203`	`1610`
							`1`	`22`	`268`
								`1`	`25`
									`1`

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Last modified April 16 09:52 EDT 2024. Contains 371698 sequences. (Running on oeis4.)