Voozh

A161347

Numbers which are equal to the product of their digits plus the sum of the cubes of their own digits.

31, 370, 407, 952

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

OFFSET

1,1

COMMENTS

No terms exist beyond 952. For all k > 4999, the product of k's digits plus the sum of the cubes of k's digits is less than k. - Jon E. Schoenfield, Jun 14 2009

LINKS

Table of n, a(n) for n=1..4.

EXAMPLE

31 = (3*1) + 3^3 + 1^3.

MATHEMATICA

pscQ[n_]:=Module[{idn=IntegerDigits[n]}, Times@@idn+Total[idn^3]==n]; Select[Range[1000], pscQ] (* Harvey P. Dale, Aug 17 2014 *)

CROSSREFS

Sequence in context: A125419 A138440 A307008 * A107941 A142684 A042868

Adjacent sequences: A161344 A161345 A161346 * A161348 A161349 A161350

KEYWORD

nonn,base,fini,full

AUTHOR

Claudio Meller, Jun 07 2009

STATUS

approved

URL: https://oeis.org/A161347

⇱ A161347 - OEIS