A038309 - OEIS

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A038309 as a triangular array

1

10 7

100 140 49

1000 2100 1470 343

10000 28000 29400 13720 2401

100000 350000 490000 343000 120050 16807

1000000 4200000 7350000 6860000 3601500 1008420 117649

10000000 49000000 102900000 120050000

A038309 as a square array

`1`	`10`	`100`	`1000`	`10000`	`100000`	`1000000`	`10000000`
`7`	`140`	`2100`	`28000`	`350000`	`4200000`	`49000000`
`49`	`1470`	`29400`	`490000`	`7350000`	`102900000`
`343`	`13720`	`343000`	`6860000`	`120050000`
`2401`	`120050`	`3601500`
`16807`	`1008420`
`117649`

A038309 as an upper right triangle

`1`	`10`	`100`	`1000`	`10000`	`100000`	`1000000`	`10000000`
	`7`	`140`	`2100`	`28000`	`350000`	`4200000`	`49000000`
		`49`	`1470`	`29400`	`490000`	`7350000`	`102900000`
			`343`	`13720`	`343000`	`6860000`	`120050000`
				`2401`	`120050`	`3601500`
					`16807`	`1008420`
						`117649`

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Last modified September 15 18:02 EDT 2024. Contains 375954 sequences. (Running on oeis4.)