A280554 - OEIS

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A280554 as a triangular array

0

0 0

0 0 0

1 9 9 1

2 34 50 34 2

6 87 144 144 87 6

13 194 325 382 325 194 13

29 400 670 832 832 670 400 29

60 790 1316 1666 1764 1666 1316 790 60

122 1511 2502 3182 3438 3438 3182 2502 1511 122

241 2830 4654

A280554 as a square array

`0`	`0`	`0`	`1`	`2`	`6`	`13`	`29`	`60`	`122`	`241`
`0`	`0`	`9`	`34`	`87`	`194`	`400`	`790`	`1511`	`2830`
`0`	`9`	`50`	`144`	`325`	`670`	`1316`	`2502`	`4654`
`1`	`34`	`144`	`382`	`832`	`1666`	`3182`
`2`	`87`	`325`	`832`	`1764`	`3438`
`6`	`194`	`670`	`1666`	`3438`
`13`	`400`	`1316`	`3182`
`29`	`790`	`2502`
`60`	`1511`
`122`

A280554 as an upper right triangle

`0`	`0`	`0`	`1`	`2`	`6`	`13`	`29`	`60`	`122`	`241`
	`0`	`0`	`9`	`34`	`87`	`194`	`400`	`790`	`1511`	`2830`
		`0`	`9`	`50`	`144`	`325`	`670`	`1316`	`2502`	`4654`
			`1`	`34`	`144`	`382`	`832`	`1666`	`3182`
				`2`	`87`	`325`	`832`	`1764`	`3438`
					`6`	`194`	`670`	`1666`	`3438`
						`13`	`400`	`1316`	`3182`
							`29`	`790`	`2502`
								`60`	`1511`
									`122`

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Last modified April 23 07:42 EDT 2024. Contains 371905 sequences. (Running on oeis4.)