A181971 - OEIS

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A181971 as a triangular array

1

1 2

1 3 2

1 4 5 3

1 5 9 8 3

1 6 14 17 11 4

1 7 20 31 28 15 4

1 8 27 51 59 43 19 5

1 9 35 78 110 102 62 24 5

1 10 44 113 188 212 164 86 29 6

1 11 54 157 301 400 376 250 115 35 6

1 12 65 211 458 701 776 626 365 150 41 7

A181971 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`	`12`
`2`	`5`	`9`	`14`	`20`	`27`	`35`	`44`	`54`	`65`
`3`	`8`	`17`	`31`	`51`	`78`	`113`	`157`	`211`
`3`	`11`	`28`	`59`	`110`	`188`	`301`	`458`
`4`	`15`	`43`	`102`	`212`	`400`	`701`
`4`	`19`	`62`	`164`	`376`	`776`
`5`	`24`	`86`	`250`	`626`
`5`	`29`	`115`	`365`
`6`	`35`	`150`
`6`	`41`
`7`

A181971 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`	`12`
		`2`	`5`	`9`	`14`	`20`	`27`	`35`	`44`	`54`	`65`
			`3`	`8`	`17`	`31`	`51`	`78`	`113`	`157`	`211`
				`3`	`11`	`28`	`59`	`110`	`188`	`301`	`458`
					`4`	`15`	`43`	`102`	`212`	`400`	`701`
						`4`	`19`	`62`	`164`	`376`	`776`
							`5`	`24`	`86`	`250`	`626`
								`5`	`29`	`115`	`365`
									`6`	`35`	`150`
										`6`	`41`
											`7`

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)