A218319 - OEIS

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A218319 as a triangular array

1

3 3

7 15 7

13 63 63 13

25 249 511 249 25

49 993 4081 4081 993 49

97 3969 32641 65089 32641 3969 97

191 15867 261121 1040977 1040977 261121 15867 191

375 63423 2088919 16654561 33296833 16654561 2088919 63423

A218319 as a square array

`1`	`3`	`7`	`13`	`25`	`49`	`97`	`191`	`375`
`3`	`15`	`63`	`249`	`993`	`3969`	`15867`	`63423`
`7`	`63`	`511`	`4081`	`32641`	`261121`	`2088919`
`13`	`249`	`4081`	`65089`	`1040977`	`16654561`
`25`	`993`	`32641`	`1040977`	`33296833`
`49`	`3969`	`261121`	`16654561`
`97`	`15867`	`2088919`
`191`	`63423`

A218319 as an upper right triangle

`1`	`3`	`7`	`13`	`25`	`49`	`97`	`191`	`375`
	`3`	`15`	`63`	`249`	`993`	`3969`	`15867`	`63423`
		`7`	`63`	`511`	`4081`	`32641`	`261121`	`2088919`
			`13`	`249`	`4081`	`65089`	`1040977`	`16654561`
				`25`	`993`	`32641`	`1040977`	`33296833`
					`49`	`3969`	`261121`	`16654561`
						`97`	`15867`	`2088919`
							`191`	`63423`

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Last modified May 21 19:42 EDT 2022. Contains 353929 sequences. (Running on oeis4.)