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 A125320 Number of base 10 circular n-digit numbers with adjacent digits differing by 3 or less. 0
 1, 10, 58, 286, 1618, 9330, 54994, 328058, 1973026, 11928418, 72360138, 439900746, 2677993234, 16317209282, 99477496666, 606677367546, 3700738695234, 22577766952946, 137756725752298, 840561549454570 (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 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: A189417 A060157 A055583 * A126730 A126478 A223470 Adjacent sequences:  A125317 A125318 A125319 * A125321 A125322 A125323 KEYWORD nonn,base AUTHOR R. H. Hardin, Dec 28 2006 STATUS approved

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