A209131 - OEIS

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A209131 as a triangular array

1

2 1

2 4 3

2 8 12 5

2 12 28 28 11

2 16 52 84 68 21

2 20 84 188 236 156 43

2 24 124 356 612 628 356 85

2 28 172 604 1324 1852 1612 796 171

2 32 228 948 2532 4500 5316 4020 1764 341

2 36 292 1404

A209131 as a square array

`1`	`2`	`2`	`2`	`2`	`2`	`2`	`2`	`2`	`2`	`2`
`1`	`4`	`8`	`12`	`16`	`20`	`24`	`28`	`32`	`36`
`3`	`12`	`28`	`52`	`84`	`124`	`172`	`228`	`292`
`5`	`28`	`84`	`188`	`356`	`604`	`948`	`1404`
`11`	`68`	`236`	`612`	`1324`	`2532`
`21`	`156`	`628`	`1852`	`4500`
`43`	`356`	`1612`	`5316`
`85`	`796`	`4020`
`171`	`1764`
`341`

A209131 as an upper right triangle

`1`	`2`	`2`	`2`	`2`	`2`	`2`	`2`	`2`	`2`	`2`
	`1`	`4`	`8`	`12`	`16`	`20`	`24`	`28`	`32`	`36`
		`3`	`12`	`28`	`52`	`84`	`124`	`172`	`228`	`292`
			`5`	`28`	`84`	`188`	`356`	`604`	`948`	`1404`
				`11`	`68`	`236`	`612`	`1324`	`2532`
					`21`	`156`	`628`	`1852`	`4500`
						`43`	`356`	`1612`	`5316`
							`85`	`796`	`4020`
								`171`	`1764`
									`341`

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)