id:A117803 - OEIS Search Results

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Triangular numbers for which the sum of the digits is a cube.

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1, 10, 5778, 5886, 6786, 7875, 17766, 17955, 27495, 29646, 31878, 36856, 38781, 43956, 46665, 46971, 49455, 49770, 55279, 58653, 61776, 64980, 68265, 74691, 75078, 78606, 85491, 85905, 89253, 93096, 93528, 97461, 109278, 109746, 117855 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`5778 is in the sequence because (1) it is a triangular number, and (2) the sum of its digits 5+7+7+8=27 is a cube.`
	CROSSREFS	`Cf. A000217.` `Sequence in context: A115481 A024139 A061888 this_sequence A121787 A108089 A125543` `Adjacent sequences: A117800 A117801 A117802 this_sequence A117804 A117805 A117806`
	KEYWORD	`nonn,base`
	AUTHOR	`Luc Stevens (lms022(AT)yahoo.com), Apr 29 2006`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

AT&T Labs Research