login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A243361 a(n) = arrange digits of concatenation of divisors of n (A037278, A176558) in increasing order in base 10 (zero digits are omitted). 5
1, 12, 13, 124, 15, 1236, 17, 1248, 139, 1125, 111, 1122346, 113, 11247, 11355, 112468, 117, 1123689, 119, 112245, 11237, 111222, 123, 1122234468, 1255, 112236, 12379, 11224478, 129, 111233556, 113, 11223468, 111333, 112347, 13557, 111223346689, 137 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

See A243362 = sequence of numbers n such that a(n) = 123456789: 54023, 54203, 500407, 23456789… First prime in this sequence is 23456789.

LINKS

Table of n, a(n) for n=1..37.

EXAMPLE

For n = 20; divisors of 20: 1, 2, 4, 5, 10, 20; a(20) = 112245.

PROG

(MAGMA) A243361:=func<n | Seqint(Reverse(Sort(&cat[(Intseq(k)): k in Divisors(n)])))>; [A243361(n): n in [1..100]]

CROSSREFS

Cf. A037278, A176558, A243360, A243362, A243363, A243364.

Sequence in context: A064003 A135123 A129476 * A037278 A164852 A033048

Adjacent sequences:  A243358 A243359 A243360 * A243362 A243363 A243364

KEYWORD

nonn,base

AUTHOR

Jaroslav Krizek, Jun 04 2014

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 2 05:06 EST 2021. Contains 341741 sequences. (Running on oeis4.)