A254622 - OEIS

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A254622

Number of zerofree positive integers of at most n digits having product of digits less than or equal to sum of digits.

2

9, 27, 61, 124, 255, 474, 860, 1597, 2726, 4232, 6741, 10391, 16177, 24480, 34926, 47875, 65896, 92255, 139262, 198988, 271642, 357674, 474239, 609442, 773493, 1029477, 1404094, 1857856, 2392385, 3169652, 4059322, 5102419, 6482700, 8041992

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

See A254621 for the numbers with this property. - Wolfdieter Lang, Feb 23 2015

LINKS

David A. Corneth, Table of n, a(n) for n = 1..2000

CROSSREFS

Cf. A052382, A062996, A254621.

Sequence in context: A027468 A158926 A112524 * A374976 A340119 A271990

Adjacent sequences: A254619 A254620 A254621 * A254623 A254624 A254625

KEYWORD

nonn,base

AUTHOR

David A. Corneth, Feb 03 2015

STATUS

approved