OFFSET
0,2
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..6560
MATHEMATICA
Table[FromDigits[Reverse[#], 9] + FromDigits[#, 9] & [Sort[IntegerDigits[n, 9]]], {n, 0, 100}] (* Paolo Xausa, Aug 08 2024 *)
PROG
(PARI) a(n) = my(dn=digits(n, 9)); fromdigits(vecsort(dn), 9) + fromdigits(vecsort(dn, , 4), 9); \\ Michel Marcus, Sep 28 2018
CROSSREFS
KEYWORD
AUTHOR
Seiichi Manyama, Sep 27 2018
STATUS
approved