A185781 - OEIS

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A185781 as a triangular array

1

5 2

14 12 3

30 36 21 4

55 80 66 32 5

91 150 150 104 45 6

140 252 285 240 150 60 7

204 392 483 460 350 204 77 8

285 576 756 784 675 480 266 96 9

385 810 1116 1232 1155 930 630 336 117 10

506 1100 1575 1824 1820 1596 1225 800 414 140 11

650 1452 2145 2580 2700 2520 2107 1560 990 500 165 12

A185781 as a square array

`1`	`5`	`14`	`30`	`55`	`91`	`140`	`204`	`285`	`385`	`506`	`650`
`2`	`12`	`36`	`80`	`150`	`252`	`392`	`576`	`810`	`1100`	`1452`
`3`	`21`	`66`	`150`	`285`	`483`	`756`	`1116`	`1575`	`2145`
`4`	`32`	`104`	`240`	`460`	`784`	`1232`	`1824`	`2580`
`5`	`45`	`150`	`350`	`675`	`1155`	`1820`	`2700`
`6`	`60`	`204`	`480`	`930`	`1596`	`2520`
`7`	`77`	`266`	`630`	`1225`	`2107`
`8`	`96`	`336`	`800`	`1560`
`9`	`117`	`414`	`990`
`10`	`140`	`500`
`11`	`165`
`12`

A185781 as an upper right triangle

`1`	`5`	`14`	`30`	`55`	`91`	`140`	`204`	`285`	`385`	`506`	`650`
	`2`	`12`	`36`	`80`	`150`	`252`	`392`	`576`	`810`	`1100`	`1452`
		`3`	`21`	`66`	`150`	`285`	`483`	`756`	`1116`	`1575`	`2145`
			`4`	`32`	`104`	`240`	`460`	`784`	`1232`	`1824`	`2580`
				`5`	`45`	`150`	`350`	`675`	`1155`	`1820`	`2700`
					`6`	`60`	`204`	`480`	`930`	`1596`	`2520`
						`7`	`77`	`266`	`630`	`1225`	`2107`
							`8`	`96`	`336`	`800`	`1560`
								`9`	`117`	`414`	`990`
									`10`	`140`	`500`
										`11`	`165`
											`12`

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Last modified May 16 15:14 EDT 2024. Contains 372554 sequences. (Running on oeis4.)