A137940 - OEIS

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A137940 as a triangular array

1

1 1

1 2 1

1 2 4 1

1 2 5 7 1

1 2 5 13 11 1

1 2 5 14 31 16 1

1 2 5 14 41 66 22 1

1 2 5 14 42 116 127 29 1

1 2 5 14 42 131 302 225 37 1

1 2 5 14 42 132 407 715 373 46 1

1 2 5 14 42 132 428 1205 1549 586 56 1

A137940 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`1`	`2`	`2`	`2`	`2`	`2`	`2`	`2`	`2`	`2`	`2`
`1`	`4`	`5`	`5`	`5`	`5`	`5`	`5`	`5`	`5`
`1`	`7`	`13`	`14`	`14`	`14`	`14`	`14`	`14`
`1`	`11`	`31`	`41`	`42`	`42`	`42`	`42`
`1`	`16`	`66`	`116`	`131`	`132`	`132`
`1`	`22`	`127`	`302`	`407`	`428`
`1`	`29`	`225`	`715`	`1205`
`1`	`37`	`373`	`1549`
`1`	`46`	`586`
`1`	`56`
`1`

A137940 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`1`	`2`	`2`	`2`	`2`	`2`	`2`	`2`	`2`	`2`	`2`
		`1`	`4`	`5`	`5`	`5`	`5`	`5`	`5`	`5`	`5`
			`1`	`7`	`13`	`14`	`14`	`14`	`14`	`14`	`14`
				`1`	`11`	`31`	`41`	`42`	`42`	`42`	`42`
					`1`	`16`	`66`	`116`	`131`	`132`	`132`
						`1`	`22`	`127`	`302`	`407`	`428`
							`1`	`29`	`225`	`715`	`1205`
								`1`	`37`	`373`	`1549`
									`1`	`46`	`586`
										`1`	`56`
											`1`

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