A030237 - OEIS

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A030237 as a triangular array

1

1 2

1 3 5

1 4 9 14

1 5 14 28 42

1 6 20 48 90 132

1 7 27 75 165 297 429

1 8 35 110 275 572 1001 1430

1 9 44 154 429 1001 2002 3432 4862

1 10 54 208 637 1638 3640 7072 11934 16796

1 11 65 273 910 2548 6188 13260 25194 41990 58786

A030237 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`
`5`	`9`	`14`	`20`	`27`	`35`	`44`	`54`	`65`
`14`	`28`	`48`	`75`	`110`	`154`	`208`	`273`
`42`	`90`	`165`	`275`	`429`	`637`	`910`
`132`	`297`	`572`	`1001`	`1638`	`2548`
`429`	`1001`	`2002`	`3640`	`6188`
`1430`	`3432`	`7072`	`13260`
`4862`	`11934`	`25194`
`16796`	`41990`
`58786`

A030237 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`
		`5`	`9`	`14`	`20`	`27`	`35`	`44`	`54`	`65`
			`14`	`28`	`48`	`75`	`110`	`154`	`208`	`273`
				`42`	`90`	`165`	`275`	`429`	`637`	`910`
					`132`	`297`	`572`	`1001`	`1638`	`2548`
						`429`	`1001`	`2002`	`3640`	`6188`
							`1430`	`3432`	`7072`	`13260`
								`4862`	`11934`	`25194`
									`16796`	`41990`
										`58786`

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Last modified April 19 12:14 EDT 2024. Contains 371792 sequences. (Running on oeis4.)