id:A133031 - OEIS Search Results

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Triangle read by rows: row n lists divisors of n-th perfect number A000396(n).

+0
6

1, 2, 3, 6, 1, 2, 4, 7, 14, 28, 1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 1, 2, 4, 8, 16, 32, 64, 127, 254, 508, 1016, 2032, 4064, 8128, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8191, 16382, 32764, 65528, 131056, 262112, 524224, 1048448, 2096896 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`O. E. Pol, Determinacion geometrica de los numeros primos y perfectos.`
	CROSSREFS	`Cf. A018254, A018487, A027750. Perfect numbers: A000396.` `Sequence in context: A021813 A082052 A107409 this_sequence A124795 A084459 A093095` `Adjacent sequences: A133028 A133029 A133030 this_sequence A133032 A133033 A133034`
	KEYWORD	`nonn,tabf`
	AUTHOR	`Omar E. Pol (info(AT)polprimos.com), Oct 26 2007`

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Last modified December 4 15:51 EST 2008. Contains 151308 sequences.

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