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A079320
CATS sequence: cube-add-then-sort variation of RATS (reverse, add then sort) sequence.
1
1, 3, 68, 13, 222, 35, 25, 378, 11, 1234, 147, 122, 2578, 339, 1124, 349, 558, 6788, 28, 2289, 167, 1129, 13488, 1556, 1267, 1179, 1289, 12448, 237, 22289, 238, 3579, 33389, 1249, 24669, 569, 1459, 35589, 446, 26689, 1347, 5579, 22588, 1179, 23789, 1378
OFFSET
2,2
LINKS
Harvey P. Dale and Indranil Ghosh, Table of n, a(n) for n = 2..20000 (terms 2..1000 from Harvey P. Dale)
M. J. Halm, Sequences
FORMULA
a(n) = sort_digits(n^3 + n).
EXAMPLE
a(8)= 25 because 8^3 + 8 = 512 + 8 = 520, sort(520) = 25.
MATHEMATICA
Array[FromDigits[Sort[IntegerDigits[#^3+#]]]&, 50, 2] (* Harvey P. Dale, Feb 28 2013 *)
PROG
(Python)
def A079320(n):
....x=str(n+n**3)
....return int("".join(sorted(x))) # Indranil Ghosh, Jan 29 2017
CROSSREFS
Cf. A004000.
Sequence in context: A238316 A182367 A091872 * A283882 A073163 A324082
KEYWORD
nonn,base
AUTHOR
Michael Joseph Halm, Feb 13 2003
STATUS
approved