id:A048391 - OEIS Search Results

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Replacing digits d in decimal expansion of n with d^3 yields a square.

+0
3

0, 1, 4, 9, 21, 100, 400, 561, 900, 2100, 8821, 10000, 11221, 17821, 40000, 56100, 73221, 90000, 210000, 211201, 518041, 882100, 1000000, 1001614, 1002621, 1012021, 1012224, 1122100, 1302801, 1782100, 4000000, 5012214, 5610000 (list; graph; listen)

	OFFSET	`0,3`
	EXAMPLE	`E.g. 518041 = (5)(1)(8)(0)(4)(1) -> (125)(1)(512)(0)(64)(1) = 12515120641 = 111871^2 and a square.`
	CROSSREFS	`Cf. A048390, A048392.` `Sequence in context: A048582 A069231 A076861 this_sequence A041743 A041943 A158140` `Adjacent sequences: A048388 A048389 A048390 this_sequence A048392 A048393 A048394`
	KEYWORD	`nonn,base`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Mar 15 1999.`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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