A161020 All the non-repdigit terms of A160818.

370, 407, 481, 518, 592, 629, 370370, 407407, 481481, 518518, 592592, 629629, 370370370, 407407407, 456790123, 469135802, 481481481, 493827160, 506172839, 518518518, 530864197, 543209876, 592592592, 629629629, 370370370370

Offset

1,1

Comments

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

Links

Table of n, a(n) for n=1..25.

Example

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

Maple

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

Crossrefs

Cf. A160818, A275772, A275945.

Sequence in context: A108772 A224562 A276413 * A102618 A225104 A234985

Adjacent sequences: A161017 A161018 A161019 * A161021 A161022 A161023

Keyword

base,nonn

Author

Johan Särnbratt, Jun 02 2009

Extensions

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

Status

approved