A252828 - OEIS

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A252828 as a triangular array

1

2 2

4 6 4

8 18 18 8

15 53 81 53 15

26 142 340 340 142 26

42 339 1238 1920 1238 339 42

64 729 3891 9075 9075 3891 729 64

93 1437 10761 36292 54376 36292 10761 1437 93

130 2638 26764 125892 271846 271846 125892

A252828 as a square array

`1`	`2`	`4`	`8`	`15`	`26`	`42`	`64`	`93`	`130`
`2`	`6`	`18`	`53`	`142`	`339`	`729`	`1437`	`2638`
`4`	`18`	`81`	`340`	`1238`	`3891`	`10761`	`26764`
`8`	`53`	`340`	`1920`	`9075`	`36292`	`125892`
`15`	`142`	`1238`	`9075`	`54376`	`271846`
`26`	`339`	`3891`	`36292`	`271846`
`42`	`729`	`10761`	`125892`
`64`	`1437`
`93`

A252828 as an upper right triangle

`1`	`2`	`4`	`8`	`15`	`26`	`42`	`64`	`93`	`130`
	`2`	`6`	`18`	`53`	`142`	`339`	`729`	`1437`	`2638`
		`4`	`18`	`81`	`340`	`1238`	`3891`	`10761`	`26764`
			`8`	`53`	`340`	`1920`	`9075`	`36292`	`125892`
				`15`	`142`	`1238`	`9075`	`54376`	`271846`
					`26`	`339`	`3891`	`36292`	`271846`
						`42`	`729`	`10761`	`125892`
							`64`	`1437`
								`93`

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Last modified April 24 13:30 EDT 2024. Contains 371957 sequences. (Running on oeis4.)