Location via proxy:   [ UP ]  
[Report a bug]   [Manage cookies]                
The OEIS is supported by the many generous donors to the OEIS Foundation.
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A121024
Multiples of 4 containing a 4 in their decimal representation.
34
4, 24, 40, 44, 48, 64, 84, 104, 124, 140, 144, 148, 164, 184, 204, 224, 240, 244, 248, 264, 284, 304, 324, 340, 344, 348, 364, 384, 400, 404, 408, 412, 416, 420, 424, 428, 432, 436, 440, 444, 448, 452, 456, 460, 464, 468, 472, 476, 480, 484, 488, 492, 496
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Intersection of A008586 and A011534.
LINKS
Table of n, a(n) for n=1..53.
Index entries for 10-automatic sequences.
FORMULA
a(n) ~ 4n. - Charles R Greathouse IV, Jul 16 2011
MATHEMATICA
Select[4Range[150], DigitCount[#, 10, 4]>0&] (* Harvey P. Dale, Jun 11 2011 *)
PROG
(PARI) is(n)=if(n%4, return(0)); n=eval(Vec(Str(n))); for(i=1, #n, if(n[i]==4, return(1))); 0 \\ Charles R Greathouse IV, Jul 16 2011
CROSSREFS
Cf. A121041, A011531, A121022, A121023, A121025, A121026, A121027, A121028, A121029, A121030, A121031, A121032, A121033, A121034, A121035, A121036, A121037, A121038, A121039, A121040.
Sequence in context: A338786 A363218 A048188 * A120622 A031117 A174178
Adjacent sequences: A121021 A121022 A121023 * A121025 A121026 A121027
KEYWORD
nonn,base,easy
AUTHOR
Reinhard Zumkeller, Jul 21 2006
EXTENSIONS
Typo in comment fixed by Reinhard Zumkeller, May 01 2011
STATUS
approved

Lookup Welcome Wiki Register Music Plot 2 Demos Index WebCam Contribute Format Style Sheet Transforms Superseeker Recents
The OEIS Community
Maintained by The OEIS Foundation Inc.
Last modified September 28 19:06 EDT 2024. Contains 376297 sequences.
License Agreements, Terms of Use, Privacy Policy