id:A045537 - OEIS Search Results

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Least nontrivial exponent e such that n is a substring of n^e.

+0
5

2, 2, 5, 5, 3, 2, 2, 5, 5, 3, 2, 11, 14, 10, 8, 26, 6, 17, 5, 11, 5, 6, 10, 15, 3, 2, 19, 15, 7, 8, 5, 11, 3, 14, 14, 10, 6, 10, 6, 11, 3, 6, 18, 5, 11, 5, 18, 9, 5, 3, 2, 3, 7, 16, 17, 11, 3, 5, 9, 11, 2, 6, 7, 7, 11, 17, 15, 8, 5, 11, 5, 9, 8, 5, 8, 3, 2, 16, 21, 11, 5, 6, 14, 4, 11, 22, 22, 7 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`n^a(n) = A104782(n).`
	LINKS	`Index entries for sequences related to automorphic numbers`
	MATHEMATICA	`f[n_] := Block[{k = 2}, While[ StringPosition[ ToString[n^k], ToString[n]] == {}, k++ ]; k]; Table[ f[n], {n, 0, 87}] (from Robert G. Wilson v (rgwv(AT)rgwv.com), May 09 2005)`
	CROSSREFS	`Sequence in context: A054156 A054079 A005177 this_sequence A161622 A116559 A008280` `Adjacent sequences: A045534 A045535 A045536 this_sequence A045538 A045539 A045540`
	KEYWORD	`base,nonn`
	AUTHOR	`Erich Friedman (erich.friedman(AT)stetson.edu)`

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

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