id:A034307 - OEIS Search Results

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Numbers n such that there are no palindromic pronic numbers of length n.

+0
7

2, 5, 9, 12, 18, 20, 30, 34 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`P. De Geest, Palindromic pronic numbers of the form n(n+1)`
	CROSSREFS	`Cf. A002378, A028336, A028337.` `Sequence in context: A086343 A056549 A034806 this_sequence A070828 A112988 A139405` `Adjacent sequences: A034304 A034305 A034306 this_sequence A034308 A034309 A034310`
	KEYWORD	`nonn,base,hard`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Oct 15 1998.`

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