A209747 - OEIS

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A209747 as a triangular array

1

1 2

3 4 2

5 10 6 2

9 20 18 8 2

15 40 44 28 10 2

25 76 102 80 40 12 2

41 142 222 210 130 54 14 2

67 260 466 512 380 196 70 16 2

109 470 948 1188 1022 630 280 88 18 2

177 840 1884 2648 2590 1848 980

A209747 as a square array

`1`	`1`	`3`	`5`	`9`	`15`	`25`	`41`	`67`	`109`	`177`
`2`	`4`	`10`	`20`	`40`	`76`	`142`	`260`	`470`	`840`
`2`	`6`	`18`	`44`	`102`	`222`	`466`	`948`	`1884`
`2`	`8`	`28`	`80`	`210`	`512`	`1188`	`2648`
`2`	`10`	`40`	`130`	`380`	`1022`	`2590`
`2`	`12`	`54`	`196`	`630`	`1848`
`2`	`14`	`70`	`280`	`980`
`2`	`16`	`88`
`2`	`18`
`2`

A209747 as an upper right triangle

`1`	`1`	`3`	`5`	`9`	`15`	`25`	`41`	`67`	`109`	`177`
	`2`	`4`	`10`	`20`	`40`	`76`	`142`	`260`	`470`	`840`
		`2`	`6`	`18`	`44`	`102`	`222`	`466`	`948`	`1884`
			`2`	`8`	`28`	`80`	`210`	`512`	`1188`	`2648`
				`2`	`10`	`40`	`130`	`380`	`1022`	`2590`
					`2`	`12`	`54`	`196`	`630`	`1848`
						`2`	`14`	`70`	`280`	`980`
							`2`	`16`	`88`
								`2`	`18`
									`2`

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Last modified April 24 03:08 EDT 2024. Contains 371918 sequences. (Running on oeis4.)