A072440 - OEIS

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A072440

Number of 3-smooth numbers with decimal digits <= 3.

1, 2, 3, 12, 32, 13122 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	COMMENTS	`Possibly the sequence is finite/full (?next term > 10^11).`
	EXAMPLE	`Digits of 13122 are <= 3 and 13122=2*3^8, therefore 13122 is a term.`
	CROSSREFS	`Cf. A003586.` `Sequence in context: A034381 A076424 A165301 * A135522 A107240 A099171` `Adjacent sequences: A072437 A072438 A072439 * A072441 A072442 A072443`
	KEYWORD	`nonn,base,more`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Aug 01 2002`

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Last modified February 15 17:13 EST 2012. Contains 205827 sequences.