A186740 - OEIS

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A186740 as a triangular array

1

1 2

1 3 3

1 7 5 4

1 18 13 7 5

1 47 38 19 9 6

1 123 117 58 25 11 7

1 322 370 187 78 31 13 8

1 843 1186 622 257 98 37 15 9

1 2207 3827 2110 874 327 118 43 17 10

1 5778 12389 7252 3034 1126 397 138 49 19 11

A186740 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`2`	`3`	`7`	`18`	`47`	`123`	`322`	`843`	`2207`	`5778`
`3`	`5`	`13`	`38`	`117`	`370`	`1186`	`3827`	`12389`
`4`	`7`	`19`	`58`	`187`	`622`	`2110`	`7252`
`5`	`9`	`25`	`78`	`257`	`874`	`3034`
`6`	`11`	`31`	`98`	`327`	`1126`
`7`	`13`	`37`	`118`	`397`
`8`	`15`	`43`	`138`
`9`	`17`	`49`
`10`	`19`
`11`

A186740 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`2`	`3`	`7`	`18`	`47`	`123`	`322`	`843`	`2207`	`5778`
		`3`	`5`	`13`	`38`	`117`	`370`	`1186`	`3827`	`12389`
			`4`	`7`	`19`	`58`	`187`	`622`	`2110`	`7252`
				`5`	`9`	`25`	`78`	`257`	`874`	`3034`
					`6`	`11`	`31`	`98`	`327`	`1126`
						`7`	`13`	`37`	`118`	`397`
							`8`	`15`	`43`	`138`
								`9`	`17`	`49`
									`10`	`19`
										`11`

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Last modified April 24 05:49 EDT 2024. Contains 371918 sequences. (Running on oeis4.)