A210865 - OEIS

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A210865 as a triangular array

1

2 2

6 7 3

12 21 18 5

20 61 75 42 8

30 151 262 231 93 13

42 323 829 1025 656 196 21

56 617 2330 3935 3607 1742 401 34

72 1081 5815 13578 16849 11723 4380 799 55

90 1771 13070 42167 69475 65727

A210865 as a square array

`1`	`2`	`6`	`12`	`20`	`30`	`42`	`56`	`72`	`90`
`2`	`7`	`21`	`61`	`151`	`323`	`617`	`1081`	`1771`
`3`	`18`	`75`	`262`	`829`	`2330`	`5815`	`13070`
`5`	`42`	`231`	`1025`	`3935`	`13578`	`42167`
`8`	`93`	`656`	`3607`	`16849`	`69475`
`13`	`196`	`1742`	`11723`	`65727`
`21`	`401`	`4380`
`34`	`799`
`55`

A210865 as an upper right triangle

`1`	`2`	`6`	`12`	`20`	`30`	`42`	`56`	`72`	`90`
	`2`	`7`	`21`	`61`	`151`	`323`	`617`	`1081`	`1771`
		`3`	`18`	`75`	`262`	`829`	`2330`	`5815`	`13070`
			`5`	`42`	`231`	`1025`	`3935`	`13578`	`42167`
				`8`	`93`	`656`	`3607`	`16849`	`69475`
					`13`	`196`	`1742`	`11723`	`65727`
						`21`	`401`	`4380`
							`34`	`799`
								`55`

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Last modified April 23 14:32 EDT 2024. Contains 371914 sequences. (Running on oeis4.)