A115154 - OEIS

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A115154 as a triangular array

1

1 4

1 13 25

1 40 115 190

1 121 466 1036 1606

1 364 1762 4870 9688 14506

1 1093 6379 20989 50053 93571 137089

1 3280 22417 85384 235543 516256 927523 1338790

1 9841 77092 333244 1039873 2588641 5371210

A115154 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`4`	`13`	`40`	`121`	`364`	`1093`	`3280`	`9841`
`25`	`115`	`466`	`1762`	`6379`	`22417`	`77092`
`190`	`1036`	`4870`	`20989`	`85384`	`333244`
`1606`	`9688`	`50053`	`235543`	`1039873`
`14506`	`93571`	`516256`	`2588641`
`137089`	`927523`	`5371210`
`1338790`

A115154 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`4`	`13`	`40`	`121`	`364`	`1093`	`3280`	`9841`
		`25`	`115`	`466`	`1762`	`6379`	`22417`	`77092`
			`190`	`1036`	`4870`	`20989`	`85384`	`333244`
				`1606`	`9688`	`50053`	`235543`	`1039873`
					`14506`	`93571`	`516256`	`2588641`
						`137089`	`927523`	`5371210`
							`1338790`

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Last modified April 25 11:06 EDT 2024. Contains 371967 sequences. (Running on oeis4.)