id:A115662 - OEIS Search Results

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Nonpalindromic n which have the same number of distinct prime divisors as the reverse of n.

+0
2

12, 13, 15, 16, 17, 21, 23, 26, 28, 31, 32, 36, 37, 39, 45, 51, 54, 56, 57, 58, 61, 62, 63, 65, 68, 69, 71, 73, 75, 79, 82, 85, 86, 93, 96, 97, 107, 108, 113, 115, 116, 117, 122, 123, 125, 128, 129, 132, 135, 143, 144, 149, 153, 155, 156, 157, 158, 159, 162, 163 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`omega(16)=omega(61)=1.`
	CROSSREFS	`Cf. A001221, A115661.` `Adjacent sequences: A115659 A115660 A115661 this_sequence A115663 A115664 A115665` `Sequence in context: A045879 A112655 A048026 this_sequence A136200 A096514 A074163`
	KEYWORD	`base,nonn`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), Jan 29 2006`

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Last modified October 13 17:46 EDT 2008. Contains 145008 sequences.

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