A163940 - OEIS

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A163940 as a triangular array

1

1 0

1 2 0

1 5 3 0

1 9 17 4 0

1 14 52 49 5 0

1 20 121 246 129 6 0

1 27 240 834 1039 321 7 0

1 35 428 2250 5037 4083 769 8 0

1 44 707 5214 18201 27918 15274 1793 9 0

1 54 1102 10829 54111 133530 145777 55152 4097 10 0

A163940 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`0`	`2`	`5`	`9`	`14`	`20`	`27`	`35`	`44`	`54`
`0`	`3`	`17`	`52`	`121`	`240`	`428`	`707`	`1102`
`0`	`4`	`49`	`246`	`834`	`2250`	`5214`	`10829`
`0`	`5`	`129`	`1039`	`5037`	`18201`	`54111`
`0`	`6`	`321`	`4083`	`27918`	`133530`
`0`	`7`	`769`	`15274`	`145777`
`0`	`8`	`1793`	`55152`
`0`	`9`	`4097`
`0`	`10`
`0`

A163940 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`0`	`2`	`5`	`9`	`14`	`20`	`27`	`35`	`44`	`54`
		`0`	`3`	`17`	`52`	`121`	`240`	`428`	`707`	`1102`
			`0`	`4`	`49`	`246`	`834`	`2250`	`5214`	`10829`
				`0`	`5`	`129`	`1039`	`5037`	`18201`	`54111`
					`0`	`6`	`321`	`4083`	`27918`	`133530`
						`0`	`7`	`769`	`15274`	`145777`
							`0`	`8`	`1793`	`55152`
								`0`	`9`	`4097`
									`0`	`10`
										`0`

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Last modified May 13 21:06 EDT 2024. Contains 372522 sequences. (Running on oeis4.)