A218897 - OEIS

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A218897 as a triangular array

2

2 4

4 6 8

6 18 16 16

10 34 72 38 32

16 86 212 286 98 64

26 180 786 1096 1162 244 128

42 426 2594 6280 6422 4700 614 256

68 930 9110 28598 54726 35812 19046 1542 512

110 2140 31062 149238 373612 463746 202662

A218897 as a square array

`2`	`2`	`4`	`6`	`10`	`16`	`26`	`42`	`68`	`110`
`4`	`6`	`18`	`34`	`86`	`180`	`426`	`930`	`2140`
`8`	`16`	`72`	`212`	`786`	`2594`	`9110`	`31062`
`16`	`38`	`286`	`1096`	`6280`	`28598`	`149238`
`32`	`98`	`1162`	`6422`	`54726`	`373612`
`64`	`244`	`4700`	`35812`	`463746`
`128`	`614`	`19046`	`202662`
`256`	`1542`
`512`

A218897 as an upper right triangle

`2`	`2`	`4`	`6`	`10`	`16`	`26`	`42`	`68`	`110`
	`4`	`6`	`18`	`34`	`86`	`180`	`426`	`930`	`2140`
		`8`	`16`	`72`	`212`	`786`	`2594`	`9110`	`31062`
			`16`	`38`	`286`	`1096`	`6280`	`28598`	`149238`
				`32`	`98`	`1162`	`6422`	`54726`	`373612`
					`64`	`244`	`4700`	`35812`	`463746`
						`128`	`614`	`19046`	`202662`
							`256`	`1542`
								`512`

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)