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A125341
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Number of base 31 circular n-digit numbers with adjacent digits differing by 3 or less.
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0
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1, 31, 205, 1063, 6469, 39801, 250945, 1602569, 10342789, 67284109, 440527075, 2899382011, 19166086465, 127164179745, 846390009243, 5648944475703, 37792538921349, 253375101591149, 1701917024018695, 11450987830940417
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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)+A025012(n+1) for base>=3.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]`-$[(i+1)mod N]`>3)+($[(i+1)mod N]`-$[i]`>3))
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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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