A145597 - OEIS

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A145597 as a triangular array

1

3 3

6 15 6

10 45 45 10

15 105 189 105 15

21 210 588 588 210 21

28 378 1512 2352 1512 378 28

36 630 3402 7560 7560 3402 630 36

45 990 6930 20790 29700 20790 6930 990 45

55 1485 13068 50820 98010 98010

A145597 as a square array

`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`	`55`
`3`	`15`	`45`	`105`	`210`	`378`	`630`	`990`	`1485`
`6`	`45`	`189`	`588`	`1512`	`3402`	`6930`	`13068`
`10`	`105`	`588`	`2352`	`7560`	`20790`	`50820`
`15`	`210`	`1512`	`7560`	`29700`	`98010`
`21`	`378`	`3402`	`20790`	`98010`
`28`	`630`	`6930`
`36`	`990`
`45`

A145597 as an upper right triangle

`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`	`55`
	`3`	`15`	`45`	`105`	`210`	`378`	`630`	`990`	`1485`
		`6`	`45`	`189`	`588`	`1512`	`3402`	`6930`	`13068`
			`10`	`105`	`588`	`2352`	`7560`	`20790`	`50820`
				`15`	`210`	`1512`	`7560`	`29700`	`98010`
					`21`	`378`	`3402`	`20790`	`98010`
						`28`	`630`	`6930`
							`36`	`990`
								`45`

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Last modified April 25 07:41 EDT 2024. Contains 371964 sequences. (Running on oeis4.)