A171839 - OEIS

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A171839 as a triangular array

1

0 0

1 0 0

1 1 0 0

3 2 1 0 0

6 8 3 1 0 0

15 22 15 4 1 0 0

36 68 52 24 5 1 0 0

91 198 191 100 35 6 1 0 0

232 586 651 425 170 48 7 1 0 0

603 1718 2203 1656 820 266 63 8 1 0 0

1585 5047 7285 6299 3591 1435 392 80

A171839 as a square array

`1`	`0`	`1`	`1`	`3`	`6`	`15`	`36`	`91`	`232`	`603`	`1585`
`0`	`0`	`1`	`2`	`8`	`22`	`68`	`198`	`586`	`1718`	`5047`
`0`	`0`	`1`	`3`	`15`	`52`	`191`	`651`	`2203`	`7285`
`0`	`0`	`1`	`4`	`24`	`100`	`425`	`1656`	`6299`
`0`	`0`	`1`	`5`	`35`	`170`	`820`	`3591`
`0`	`0`	`1`	`6`	`48`	`266`	`1435`
`0`	`0`	`1`	`7`	`63`	`392`
`0`	`0`	`1`	`8`	`80`
`0`	`0`	`1`
`0`	`0`
`0`

A171839 as an upper right triangle

`1`	`0`	`1`	`1`	`3`	`6`	`15`	`36`	`91`	`232`	`603`	`1585`
	`0`	`0`	`1`	`2`	`8`	`22`	`68`	`198`	`586`	`1718`	`5047`
		`0`	`0`	`1`	`3`	`15`	`52`	`191`	`651`	`2203`	`7285`
			`0`	`0`	`1`	`4`	`24`	`100`	`425`	`1656`	`6299`
				`0`	`0`	`1`	`5`	`35`	`170`	`820`	`3591`
					`0`	`0`	`1`	`6`	`48`	`266`	`1435`
						`0`	`0`	`1`	`7`	`63`	`392`
							`0`	`0`	`1`	`8`	`80`
								`0`	`0`	`1`
									`0`	`0`
										`0`

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Last modified April 16 19:21 EDT 2024. Contains 371754 sequences. (Running on oeis4.)