id:A117062 - OEIS Search Results

Search: id:A117062

Displaying 1-1 of 1 results found.

page 1

Hexagonal numbers for which the sum of the digits is also a hexagonal number.

+0
1

0, 1, 6, 15, 231, 276, 780, 861, 1653, 1770, 2850, 3003, 4371, 4560, 5995, 6216, 6441, 11175, 14028, 17205, 17578, 20301, 20706, 24090, 24531, 24976, 28203, 32640, 33153, 36856, 37401, 43071, 47278, 52975, 54946, 56953, 67528, 69751, 76636 (list; graph; listen)

	OFFSET	`0,3`
	EXAMPLE	`1770 is in the sequence because (1) it is a hexagonal number and (2)the sum of its digits 1+7+7+0=15 is also a hexagonal number.`
	CROSSREFS	`Cf. A000384.` `Sequence in context: A013223 A013224 A013230 this_sequence A003155 A024081 A145558` `Adjacent sequences: A117059 A117060 A117061 this_sequence A117063 A117064 A117065`
	KEYWORD	`base,nonn`
	AUTHOR	`Luc Stevens (lms022(AT)yahoo.com), Apr 16 2006`

page 1

Search completed in 0.002 seconds

Last modified November 18 20:14 EST 2008. Contains 147244 sequences.

AT&T Labs Research