id:A090343 - OEIS Search Results

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Difference between the sums of the prime factors, including multiplicity, of n and those of n + 4.

+0
4

-5, -3, -4, -2, -1, -2, -4, -1, -7, -2, 3, -1, -4, 1, -11, -1, 7, -5, -4, 0, 0, -2, 14, -2, -19, 5, -22, 1, 15, -9, 19, 0, -23, -2, -4, -1, -4, 9, -27, -4, 30, -13, -4, 4, -3, 13, 27, -6, -39, 1, 4, 4, 31, -20, -43, 1, -39, -2, 46, 0, 43, 17, -54, -9, -8, 2, -4, 9, -47, -25, 58, -11, 55, 21, -66, 10, 6, -25, -4, -1, -10, -2, 51, -3, -67 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(24)=-2 because 24=2223, 28=22*7 and (2+2+2+3)-(2+2+7)=-2.`
	CROSSREFS	`Cf. A090340, A090341, A090342.` `Sequence in context: A021871 A004486 A011426 this_sequence A135448 A107488 A114236` `Adjacent sequences: A090340 A090341 A090342 this_sequence A090344 A090345 A090346`
	KEYWORD	`sign`
	AUTHOR	`Charles K. Layman (cklayman(AT)juno.com), Nov 25 2003`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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