A193920 - OEIS

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A193920 as a triangular array

1

1 1

2 3 1

4 9 7 2

7 21 25 14 3

12 46 75 64 28 5

20 94 195 224 148 53 8

33 185 468 679 603 326 99 13

54 353 1056 1855 2073 1502 687 181 21

88 659 2280 4711 6357 5786 3543 1405 327 34

143 1209 4755

A193920 as a square array

`1`	`1`	`2`	`4`	`7`	`12`	`20`	`33`	`54`	`88`	`143`
`1`	`3`	`9`	`21`	`46`	`94`	`185`	`353`	`659`	`1209`
`1`	`7`	`25`	`75`	`195`	`468`	`1056`	`2280`	`4755`
`2`	`14`	`64`	`224`	`679`	`1855`	`4711`
`3`	`28`	`148`	`603`	`2073`	`6357`
`5`	`53`	`326`	`1502`	`5786`
`8`	`99`	`687`	`3543`
`13`	`181`	`1405`
`21`	`327`
`34`

A193920 as an upper right triangle

`1`	`1`	`2`	`4`	`7`	`12`	`20`	`33`	`54`	`88`	`143`
	`1`	`3`	`9`	`21`	`46`	`94`	`185`	`353`	`659`	`1209`
		`1`	`7`	`25`	`75`	`195`	`468`	`1056`	`2280`	`4755`
			`2`	`14`	`64`	`224`	`679`	`1855`	`4711`
				`3`	`28`	`148`	`603`	`2073`	`6357`
					`5`	`53`	`326`	`1502`	`5786`
						`8`	`99`	`687`	`3543`
							`13`	`181`	`1405`
								`21`	`327`
									`34`

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Last modified April 19 16:52 EDT 2024. Contains 371794 sequences. (Running on oeis4.)