A086272 - OEIS

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A086272 as a triangular array

1

3 1

7 4 1

13 10 5 1

21 19 13 6 1

31 31 25 16 7 1

43 46 41 31 19 8 1

57 64 61 51 37 22 9 1

73 85 85 76 61 43 25 10 1

91 109 113 106 91 71 49 28 11 1

111 136 145 141 127 106 81 55 31 12 1

133 166 181 181 169

A086272 as a square array

`1`	`3`	`7`	`13`	`21`	`31`	`43`	`57`	`73`	`91`	`111`	`133`
`1`	`4`	`10`	`19`	`31`	`46`	`64`	`85`	`109`	`136`	`166`
`1`	`5`	`13`	`25`	`41`	`61`	`85`	`113`	`145`	`181`
`1`	`6`	`16`	`31`	`51`	`76`	`106`	`141`	`181`
`1`	`7`	`19`	`37`	`61`	`91`	`127`	`169`
`1`	`8`	`22`	`43`	`71`	`106`
`1`	`9`	`25`	`49`	`81`
`1`	`10`	`28`	`55`
`1`	`11`	`31`
`1`	`12`
`1`

A086272 as an upper right triangle

`1`	`3`	`7`	`13`	`21`	`31`	`43`	`57`	`73`	`91`	`111`	`133`
	`1`	`4`	`10`	`19`	`31`	`46`	`64`	`85`	`109`	`136`	`166`
		`1`	`5`	`13`	`25`	`41`	`61`	`85`	`113`	`145`	`181`
			`1`	`6`	`16`	`31`	`51`	`76`	`106`	`141`	`181`
				`1`	`7`	`19`	`37`	`61`	`91`	`127`	`169`
					`1`	`8`	`22`	`43`	`71`	`106`
						`1`	`9`	`25`	`49`	`81`
							`1`	`10`	`28`	`55`
								`1`	`11`	`31`
									`1`	`12`
										`1`

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Last modified April 19 23:15 EDT 2024. Contains 371798 sequences. (Running on oeis4.)