A218870 - OEIS

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A218870 as a triangular array

2

2 2

4 6 6

6 10 12 12

12 24 28 30 30

20 40 48 52 54 54

40 92 112 120 124 126 126

74 174 210 226 234 238 240 240

148 362 438 474 490 498 502 504 504

286 700 860 928 960 976 984 988 990 990

572 1448 1776 1916 1984 2016 2032 2040 2044 2046 2046

A218870 as a square array

`2`	`2`	`4`	`6`	`12`	`20`	`40`	`74`	`148`	`286`	`572`
`2`	`6`	`10`	`24`	`40`	`92`	`174`	`362`	`700`	`1448`
`6`	`12`	`28`	`48`	`112`	`210`	`438`	`860`	`1776`
`12`	`30`	`52`	`120`	`226`	`474`	`928`	`1916`
`30`	`54`	`124`	`234`	`490`	`960`	`1984`
`54`	`126`	`238`	`498`	`976`	`2016`
`126`	`240`	`502`	`984`	`2032`
`240`	`504`	`988`	`2040`
`504`	`990`	`2044`
`990`	`2046`
`2046`

A218870 as an upper right triangle

`2`	`2`	`4`	`6`	`12`	`20`	`40`	`74`	`148`	`286`	`572`
	`2`	`6`	`10`	`24`	`40`	`92`	`174`	`362`	`700`	`1448`
		`6`	`12`	`28`	`48`	`112`	`210`	`438`	`860`	`1776`
			`12`	`30`	`52`	`120`	`226`	`474`	`928`	`1916`
				`30`	`54`	`124`	`234`	`490`	`960`	`1984`
					`54`	`126`	`238`	`498`	`976`	`2016`
						`126`	`240`	`502`	`984`	`2032`
							`240`	`504`	`988`	`2040`
								`504`	`990`	`2044`
									`990`	`2046`
										`2046`

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Last modified April 16 12:52 EDT 2024. Contains 371711 sequences. (Running on oeis4.)