A180906 - OEIS

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A180906 as a triangular array

1

1 2

1 3 5

1 4 12 13

1 5 22 51 35

1 6 35 130 226 96

1 7 51 265 803 1025 267

1 8 70 471 2100 5085 4724 750

1 9 92 763 4556 17075 32747 22022 2123

1 10 117 1156 8715 45241 141246 213419 103550 6046

1 11 145

A180906 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`	`12`	`22`	`35`	`51`	`70`	`92`	`117`	`145`
`13`	`51`	`130`	`265`	`471`	`763`	`1156`
`35`	`226`	`803`	`2100`	`4556`	`8715`
`96`	`1025`	`5085`	`17075`	`45241`
`267`	`4724`	`32747`	`141246`
`750`	`22022`	`213419`
`2123`	`103550`
`6046`

A180906 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`	`12`	`22`	`35`	`51`	`70`	`92`	`117`	`145`
			`13`	`51`	`130`	`265`	`471`	`763`	`1156`
				`35`	`226`	`803`	`2100`	`4556`	`8715`
					`96`	`1025`	`5085`	`17075`	`45241`
						`267`	`4724`	`32747`	`141246`
							`750`	`22022`	`213419`
								`2123`	`103550`
									`6046`

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Last modified April 23 11:22 EDT 2024. Contains 371913 sequences. (Running on oeis4.)