id:A130868 - OEIS Search Results

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Numbers n such that the set of integer digits of n^2 is the same as of (n+1)^2.

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13, 157, 436, 515, 847, 863, 900, 913, 987, 992, 1010, 1100, 1213, 1350, 1358, 1686, 1784, 2015, 2183, 2263, 2313, 2342, 2597, 2778, 3186, 3279, 3347, 3486, 3536, 3592, 3649, 3779, 3899, 3909, 3913, 3971, 3986, 4012, 4099, 4248, 4284, 4286, 4291, 4412 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`436^2 = 190096 and 437^2 = 190969 consist of the same digits (might have different multiplicities)`
	MATHEMATICA	`Select[Range[10000], Union[IntegerDigits[ #^2]] == Union[IntegerDigits[(# + 1)^2]] &]`
	CROSSREFS	`The sequence A072841 (Integer digits of n^2 are exactly the same (albeit in different order) as the integer digits of (n+1)^2.) is a subsequence of this sequence.` `Sequence in context: A097827 A142104 A140020 this_sequence A072841 A125470 A016125` `Adjacent sequences: A130865 A130866 A130867 this_sequence A130869 A130870 A130871`
	KEYWORD	`base,nonn`
	AUTHOR	`Tanya Khovanova (tanyakh(AT)yahoo.com), Jul 23 2007`

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Last modified December 2 15:58 EST 2008. Contains 150992 sequences.

AT&T Labs Research