A104980 - OEIS

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A104980 as a triangular array

1

1 1

3 2 1

13 7 3 1

71 33 13 4 1

461 191 71 21 5 1

3447 1297 461 133 31 6 1

29093 10063 3447 977 225 43 7 1

273343 87669 29093 8135 1859 353 57 8 1

2829325 847015 273343 75609 17185 3251 523 73 9 1

A104980 as a square array

`1`	`1`	`3`	`13`	`71`	`461`	`3447`	`29093`	`273343`	`2829325`
`1`	`2`	`7`	`33`	`191`	`1297`	`10063`	`87669`	`847015`
`1`	`3`	`13`	`71`	`461`	`3447`	`29093`	`273343`
`1`	`4`	`21`	`133`	`977`	`8135`	`75609`
`1`	`5`	`31`	`225`	`1859`	`17185`
`1`	`6`	`43`	`353`	`3251`
`1`	`7`	`57`	`523`
`1`	`8`	`73`
`1`	`9`
`1`

A104980 as an upper right triangle

`1`	`1`	`3`	`13`	`71`	`461`	`3447`	`29093`	`273343`	`2829325`
	`1`	`2`	`7`	`33`	`191`	`1297`	`10063`	`87669`	`847015`
		`1`	`3`	`13`	`71`	`461`	`3447`	`29093`	`273343`
			`1`	`4`	`21`	`133`	`977`	`8135`	`75609`
				`1`	`5`	`31`	`225`	`1859`	`17185`
					`1`	`6`	`43`	`353`	`3251`
						`1`	`7`	`57`	`523`
							`1`	`8`	`73`
								`1`	`9`
									`1`

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Last modified June 12 14:26 EDT 2024. Contains 373331 sequences. (Running on oeis4.)