A117052 - OEIS

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A117052

Enneagonal numbers for which the product of the digits is also an enneagonal number.

0, 1, 9, 46, 111, 204, 750, 1089, 1350, 2301, 3075, 3504, 4200, 5500, 6069, 10071, 10450, 10836, 12036, 12450, 15081, 16014, 19500, 20026, 20559, 21099, 22200, 23904, 25075, 27501, 30039, 30691, 31350, 32016, 34056, 34750, 39061, 39804 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	EXAMPLE	`46 is in the sequence because (1) it is an enneagonal number and (2)the product of its digits 4*6=24 is also an enneagonal number.`
	CROSSREFS	`Cf. A001106.` `Sequence in context: A177742 A050909 A042003 * A009294 A061620 A001781` `Adjacent sequences: A117049 A117050 A117051 * A117053 A117054 A117055`
	KEYWORD	`base,nonn`
	AUTHOR	`Luc Stevens (lms022(AT)yahoo.com), Apr 15 2006`

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Last modified February 15 05:38 EST 2012. Contains 205694 sequences.