A209485 - OEIS

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A209485 as a triangular array

1

1 2

1 3 1

1 4 4 4

1 5 7 15 4

1 6 12 35 38 11

1 7 17 72 140 136 15

1 8 24 128 390 731 458 43

1 9 31 205 866 2606 3740 1781 77

1 10 40 311 1702 7179 17771 20888 6912 199

1 11 49 448 3014 16660 60778 128598 118137

A209485 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`
`1`	`4`	`7`	`12`	`17`	`24`	`31`	`40`	`49`
`4`	`15`	`35`	`72`	`128`	`205`	`311`	`448`
`4`	`38`	`140`	`390`	`866`	`1702`	`3014`
`11`	`136`	`731`	`2606`	`7179`	`16660`
`15`	`458`	`3740`	`17771`	`60778`
`43`	`1781`	`20888`	`128598`
`77`	`6912`	`118137`
`199`

A209485 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`
		`1`	`4`	`7`	`12`	`17`	`24`	`31`	`40`	`49`
			`4`	`15`	`35`	`72`	`128`	`205`	`311`	`448`
				`4`	`38`	`140`	`390`	`866`	`1702`	`3014`
					`11`	`136`	`731`	`2606`	`7179`	`16660`
						`15`	`458`	`3740`	`17771`	`60778`
							`43`	`1781`	`20888`	`128598`
								`77`	`6912`	`118137`
									`199`

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