1,1

All known terms are multiples of 111/3 = 37.

Non-repdigit numbers n such that ((10^A055642(n)-1)/9)*(A007953(n)/A055642(n)) = n. So the sequence is infinite. - Altug Alkan, Sep 05 2016

For example with 370: (073+037+307+370+703+730)/6 = 370.

read("transforms3") ; isrep := proc(n) if nops(convert(convert(n, base, 10), set)) = 1 then true; else false; fi; end: a160818 := BFILETOLIST("b160818.txt") ; for i from 1 to 400 do a := op(i, a160818) ; if not isrep(a) then printf("%d, ", a) ; fi; od: # R. J. Mathar, Jul 04 2009

Select[Range[37, 630000, 37], Count[DigitCount[#], 0]<9&&Mean[FromDigits/@Permutations[IntegerDigits[#]]]==#&] (* The program generates the first 12 terms of the sequence. *) (* Harvey P. Dale, Mar 27 2026 *)

Cf. A160818, A275772, A275945.

Sequence in context: A108772 A224562 A276413 * A102618 A225104 A234985

Adjacent sequences: A161017 A161018 A161019 * A161021 A161022 A161023

base,nonn

Johan Särnbratt, Jun 02 2009

More terms from R. J. Mathar, Jul 04 2009

approved