A193970 - OEIS

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A193970 as a triangular array

1

3 1

7 4 1

21 12 7 2

54 33 19 11 3

144 88 54 31 18 5

376 232 142 87 50 29 8

987 609 376 230 141 81 47 13

2583 1596 985 608 372 228 131 76 21

6765 4180 2583 1594 984 602 369 212 123 34

17710 10945 6763

A193970 as a square array

`1`	`3`	`7`	`21`	`54`	`144`	`376`	`987`	`2583`	`6765`	`17710`
`1`	`4`	`12`	`33`	`88`	`232`	`609`	`1596`	`4180`	`10945`
`1`	`7`	`19`	`54`	`142`	`376`	`985`	`2583`	`6763`
`2`	`11`	`31`	`87`	`230`	`608`	`1594`
`3`	`18`	`50`	`141`	`372`	`984`
`5`	`29`	`81`	`228`	`602`
`8`	`47`	`131`	`369`
`13`	`76`	`212`
`21`	`123`
`34`

A193970 as an upper right triangle

`1`	`3`	`7`	`21`	`54`	`144`	`376`	`987`	`2583`	`6765`	`17710`
	`1`	`4`	`12`	`33`	`88`	`232`	`609`	`1596`	`4180`	`10945`
		`1`	`7`	`19`	`54`	`142`	`376`	`985`	`2583`	`6763`
			`2`	`11`	`31`	`87`	`230`	`608`	`1594`
				`3`	`18`	`50`	`141`	`372`	`984`
					`5`	`29`	`81`	`228`	`602`
						`8`	`47`	`131`	`369`
							`13`	`76`	`212`
								`21`	`123`
									`34`

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)