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A125351
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Number of base 14 circular n-digit numbers with adjacent digits differing by 4 or less.
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0
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1, 14, 106, 674, 4946, 37014, 283330, 2196782, 17189858, 135356102, 1070440026, 8490518798, 67481635442, 537075903014, 4278507764938, 34105515215934, 271984108754114, 2169645089403350, 17310883131943930, 138136179160503278
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OFFSET
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0,2
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COMMENTS
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[Empirical] a(base,n)=a(base-1,n)+A025014(n+1) for base>=4.int(n/2)+1
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LINKS
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PROG
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(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))
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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