A079320 CATS sequence: cube-add-then-sort variation of RATS (reverse, add then sort) sequence.

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

Adjacent sequences: A079317 A079318 A079319 * A079321 A079322 A079323

Keyword

nonn,base

Author

Michael Joseph Halm, Feb 13 2003

Status

approved