|
|
A125361
|
|
Number of base 24 circular n-digit numbers with adjacent digits differing by 4 or less.
|
|
0
|
|
|
1, 24, 196, 1284, 9836, 76524, 609940, 4928052, 40249964, 331447308, 2747281456, 22892351528, 191590111316, 1609306726532, 13559412142738, 114546085965354, 969826269069116, 8227091944066248, 69907440585587662, 594878380136137122
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,2
|
|
COMMENTS
|
[Empirical] a(base,n)=a(base-1,n)+A025014(n+1) for base>=4.int(n/2)+1
|
|
LINKS
|
|
|
PROG
|
(S/R) stvar $[N]:(0..M-1) init $[]:=0 asgn $[]->{*} kill +[i in 0..N-1](($[i]`-$[(i+1)mod N]`>4)+($[(i+1)mod N]`-$[i]`>4))
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,base
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|