id:A109072 - OEIS Search Results

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Number of decimal digits ( counted with multiplicity ) in n but not in n^2.

+0
2

0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 2, 1, 2, 0, 1, 0, 1, 2, 1, 1, 1, 2, 2, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 0, 1, 1, 2, 2, 0, 1, 2, 2, 2, 0, 1, 2, 0, 0, 1, 0, 2, 1, 1, 1, 1, 2, 1, 0, 1, 0, 2, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 2, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1 (list; graph; listen)

	OFFSET	`0,18`
	COMMENT	`Cf. A076493 Number of common and distinct decimal digits of n and n^2, A109071 Number of common decimal digits ( counted with multiplicity ) of n and n^2.`
	MATHEMATICA	`UnsortedComplement[x_List, y__List]:=Replace[x, Dispatch[(#\[RuleDelayed]Sequence[])&/@Union[y]], 1]; Table[Length[UnsortedComplement[IntegerDigits[n], IntegerDigits[n^2]]], {n, 0, 200}]`
	CROSSREFS	`Cf. A076493, A109071.` `Sequence in context: A140500 A156054 A030616 this_sequence A100727 A064892 A083019` `Adjacent sequences: A109069 A109070 A109071 this_sequence A109073 A109074 A109075`
	KEYWORD	`base,easy,nonn`
	AUTHOR	`Zak Seidov (zakseidov(AT)yahoo.com), Jun 20 2005`

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

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