login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A125335 Number of base 25 circular n-digit numbers with adjacent digits differing by 3 or less. 0
1, 25, 163, 841, 5083, 31095, 194959, 1238423, 7951387, 51466531, 335298133, 2196036109, 14446557007, 95391055551, 631880846109, 4197195979281, 27946473646107, 186471447915971, 1246550326511095, 8346999521414075 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

[Empirical] a(base,n)=a(base-1,n)+A025012(n+1) for base>=3.int(n/2)+1

LINKS

Table of n, a(n) for n=0..19.

PROG

(S/R) stvar $[N]:(0..M-1) init $[]:=0 asgn $[]->{*} kill +[i in 0..N-1](($[i]`-$[(i+1)mod N]`>3)+($[(i+1)mod N]`-$[i]`>3))

CROSSREFS

Sequence in context: A316948 A139729 A317728 * A126493 A255419 A324899

Adjacent sequences:  A125332 A125333 A125334 * A125336 A125337 A125338

KEYWORD

nonn,base

AUTHOR

R. H. Hardin, Dec 28 2006

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 2 08:34 EDT 2022. Contains 357191 sequences. (Running on oeis4.)