A137649 - OEIS

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A137649 as a triangular array

1

2 1

3 4 1

4 11 7 1

5 26 32 11 1

6 57 122 76 16 1

7 120 423 426 156 22 1

8 247 1389 2127 1206 288 29 1

9 502 4414 9897 8157 2934 491 37 1

10 1013 13744 44002 50682 25761 6371 787 46 1

A137649 as a square array

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`
`1`	`4`	`11`	`26`	`57`	`120`	`247`	`502`	`1013`
`1`	`7`	`32`	`122`	`423`	`1389`	`4414`	`13744`
`1`	`11`	`76`	`426`	`2127`	`9897`	`44002`
`1`	`16`	`156`	`1206`	`8157`	`50682`
`1`	`22`	`288`	`2934`	`25761`
`1`	`29`	`491`	`6371`
`1`	`37`	`787`
`1`	`46`
`1`

A137649 as an upper right triangle

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`
	`1`	`4`	`11`	`26`	`57`	`120`	`247`	`502`	`1013`
		`1`	`7`	`32`	`122`	`423`	`1389`	`4414`	`13744`
			`1`	`11`	`76`	`426`	`2127`	`9897`	`44002`
				`1`	`16`	`156`	`1206`	`8157`	`50682`
					`1`	`22`	`288`	`2934`	`25761`
						`1`	`29`	`491`	`6371`
							`1`	`37`	`787`
								`1`	`46`
									`1`

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Last modified May 20 19:00 EDT 2024. Contains 372720 sequences. (Running on oeis4.)