A153521 - OEIS

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A153521 as a triangular array

2

11 11

2 238 2

2 1329 1329 2

2 1353 5276 1353 2

2 1377 21248 21248 1377 2

2 1401 37508 100532 37508 1401 2

2 1425 54056 371768 371768 54056 1425 2

2 1449 70892 838412 1849388 838412 70892 1449 2

2 1473 88016 1503920 6777248 6777248 1503920 88016 1473 2

A153521 as a square array

`2`	`11`	`2`	`2`	`2`	`2`	`2`	`2`	`2`	`2`
`11`	`238`	`1329`	`1353`	`1377`	`1401`	`1425`	`1449`	`1473`
`2`	`1329`	`5276`	`21248`	`37508`	`54056`	`70892`	`88016`
`2`	`1353`	`21248`	`100532`	`371768`	`838412`	`1503920`
`2`	`1377`	`37508`	`371768`	`1849388`	`6777248`
`2`	`1401`	`54056`	`838412`	`6777248`
`2`	`1425`	`70892`	`1503920`
`2`	`1449`	`88016`
`2`	`1473`
`2`

A153521 as an upper right triangle

`2`	`11`	`2`	`2`	`2`	`2`	`2`	`2`	`2`	`2`
	`11`	`238`	`1329`	`1353`	`1377`	`1401`	`1425`	`1449`	`1473`
		`2`	`1329`	`5276`	`21248`	`37508`	`54056`	`70892`	`88016`
			`2`	`1353`	`21248`	`100532`	`371768`	`838412`	`1503920`
				`2`	`1377`	`37508`	`371768`	`1849388`	`6777248`
					`2`	`1401`	`54056`	`838412`	`6777248`
						`2`	`1425`	`70892`	`1503920`
							`2`	`1449`	`88016`
								`2`	`1473`
									`2`

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Last modified August 30 02:56 EDT 2024. Contains 375521 sequences. (Running on oeis4.)