A218580 - OEIS

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A218580 as a triangular array

1

1 1

1 2 2

1 4 5 5

1 8 13 15 16

1 16 35 47 56 62

1 32 97 153 204 248 279

1 64 275 515 770 1030 1257 1423

1 128 793 1785 3000 4424 5869 7140 8100

1 256 2315 6347 12026 19582 28293 37058 44843 50887

A218580 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`1`	`2`	`4`	`8`	`16`	`32`	`64`	`128`	`256`
`2`	`5`	`13`	`35`	`97`	`275`	`793`	`2315`
`5`	`15`	`47`	`153`	`515`	`1785`	`6347`
`16`	`56`	`204`	`770`	`3000`	`12026`
`62`	`248`	`1030`	`4424`	`19582`
`279`	`1257`	`5869`	`28293`
`1423`	`7140`	`37058`
`8100`	`44843`
`50887`

A218580 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`1`	`2`	`4`	`8`	`16`	`32`	`64`	`128`	`256`
		`2`	`5`	`13`	`35`	`97`	`275`	`793`	`2315`
			`5`	`15`	`47`	`153`	`515`	`1785`	`6347`
				`16`	`56`	`204`	`770`	`3000`	`12026`
					`62`	`248`	`1030`	`4424`	`19582`
						`279`	`1257`	`5869`	`28293`
							`1423`	`7140`	`37058`
								`8100`	`44843`
									`50887`

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Last modified May 15 12:24 EDT 2024. Contains 372540 sequences. (Running on oeis4.)