A055375 - OEIS

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A055375 as a triangular array

1

1 1

2 3 2

3 7 7 3

5 14 21 14 5

7 26 48 48 26 7

11 45 103 131 103 45 11

15 75 198 312 312 198 75 15

22 120 366 674 830 674 366 120 22

30 187 637 1359 1961 1961 1359 637 187 30

42 284 1078 2584 4302 5066 4302 2584 1078 284 42

A055375 as a square array

`1`	`1`	`2`	`3`	`5`	`7`	`11`	`15`	`22`	`30`	`42`
`1`	`3`	`7`	`14`	`26`	`45`	`75`	`120`	`187`	`284`
`2`	`7`	`21`	`48`	`103`	`198`	`366`	`637`	`1078`
`3`	`14`	`48`	`131`	`312`	`674`	`1359`	`2584`
`5`	`26`	`103`	`312`	`830`	`1961`	`4302`
`7`	`45`	`198`	`674`	`1961`	`5066`
`11`	`75`	`366`	`1359`	`4302`
`15`	`120`	`637`	`2584`
`22`	`187`	`1078`
`30`	`284`
`42`

A055375 as an upper right triangle

`1`	`1`	`2`	`3`	`5`	`7`	`11`	`15`	`22`	`30`	`42`
	`1`	`3`	`7`	`14`	`26`	`45`	`75`	`120`	`187`	`284`
		`2`	`7`	`21`	`48`	`103`	`198`	`366`	`637`	`1078`
			`3`	`14`	`48`	`131`	`312`	`674`	`1359`	`2584`
				`5`	`26`	`103`	`312`	`830`	`1961`	`4302`
					`7`	`45`	`198`	`674`	`1961`	`5066`
						`11`	`75`	`366`	`1359`	`4302`
							`15`	`120`	`637`	`2584`
								`22`	`187`	`1078`
									`30`	`284`
										`42`

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)