A098977 - OEIS

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A098977 as a triangular array

1

1 1

2 2 1

4 5 3 2

9 14 9 6 4

21 42 28 19 13 9

51 132 90 62 43 30 21

127 429 297 207 145 102 72 51

323 1430 1001 704 497 352 250 178 127

835 4862 3432 2431 1727 1230 878 628 450 323

2188 16796 11934 8502

A098977 as a square array

`1`	`1`	`2`	`4`	`9`	`21`	`51`	`127`	`323`	`835`	`2188`
`1`	`2`	`5`	`14`	`42`	`132`	`429`	`1430`	`4862`	`16796`
`1`	`3`	`9`	`28`	`90`	`297`	`1001`	`3432`	`11934`
`2`	`6`	`19`	`62`	`207`	`704`	`2431`	`8502`
`4`	`13`	`43`	`145`	`497`	`1727`
`9`	`30`	`102`	`352`	`1230`
`21`	`72`	`250`	`878`
`51`	`178`	`628`
`127`	`450`
`323`

A098977 as an upper right triangle

`1`	`1`	`2`	`4`	`9`	`21`	`51`	`127`	`323`	`835`	`2188`
	`1`	`2`	`5`	`14`	`42`	`132`	`429`	`1430`	`4862`	`16796`
		`1`	`3`	`9`	`28`	`90`	`297`	`1001`	`3432`	`11934`
			`2`	`6`	`19`	`62`	`207`	`704`	`2431`	`8502`
				`4`	`13`	`43`	`145`	`497`	`1727`
					`9`	`30`	`102`	`352`	`1230`
						`21`	`72`	`250`	`878`
							`51`	`178`	`628`
								`127`	`450`
									`323`

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)