A281837 - OEIS

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A281837 as a triangular array

1

2 2

4 8 4

8 31 31 8

16 121 163 121 16

32 472 926 926 472 32

64 1841 5315 8240 5315 1841 64

128 7181 30387 74240 74240 30387 7181 128

256 28010 174121 663300 1053407 663300 174121 28010 256

512 109255 998069

A281837 as a square array

`1`	`2`	`4`	`8`	`16`	`32`	`64`	`128`	`256`	`512`
`2`	`8`	`31`	`121`	`472`	`1841`	`7181`	`28010`	`109255`
`4`	`31`	`163`	`926`	`5315`	`30387`	`174121`	`998069`
`8`	`121`	`926`	`8240`	`74240`	`663300`
`16`	`472`	`5315`	`74240`	`1053407`
`32`	`1841`	`30387`	`663300`
`64`	`7181`	`174121`
`128`	`28010`
`256`

A281837 as an upper right triangle

`1`	`2`	`4`	`8`	`16`	`32`	`64`	`128`	`256`	`512`
	`2`	`8`	`31`	`121`	`472`	`1841`	`7181`	`28010`	`109255`
		`4`	`31`	`163`	`926`	`5315`	`30387`	`174121`	`998069`
			`8`	`121`	`926`	`8240`	`74240`	`663300`
				`16`	`472`	`5315`	`74240`	`1053407`
					`32`	`1841`	`30387`	`663300`
						`64`	`7181`	`174121`
							`128`	`28010`
								`256`

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Last modified April 19 12:14 EDT 2024. Contains 371792 sequences. (Running on oeis4.)