login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual appeal: Please make a donation to keep the OEIS running! Over 6000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".
Other ways to donate

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A178538 Records in A169819. 2
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 16, 17, 20, 23, 25, 26, 29, 32, 33, 37, 38, 43, 47, 49, 54, 58, 59, 66, 68, 71, 73, 76, 80, 88, 93, 96, 103, 104, 105, 106, 112, 113, 117, 126, 129, 130, 143, 147, 151, 161, 171, 176, 187, 192, 200, 205, 216 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..59.

MATHEMATICA

mx=0; s={}; Do[id=IntegerDigits[n]; FLA=Flatten[Table[Partition[id, k, 1],

{k, Length[id]}], 1]; fd=Union[FromDigits/@FLA];

dv=Length[Union[Flatten[Divisors/@fd]]]; If[dv>mx, mx=dv; AppendTo[s2, {mx, n}]],

{n, 200000}]; A178538 =First/@s

CROSSREFS

Cf. A169819, A177834, A178539.

Sequence in context: A008729 A101373 A107062 * A017904 A143290 A272038

Adjacent sequences:  A178535 A178536 A178537 * A178539 A178540 A178541

KEYWORD

base,nonn

AUTHOR

Zak Seidov, May 29 2010

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 | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified November 20 08:46 EST 2017. Contains 294962 sequences.