Search: id:A126547
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%I A126547
%S A126547 1,26,256,2596,26586,273768,2828090,29270910,303304140,3144995160,
%T A126547 32624286682,338508404178,3512870407964,36458032099558,378396656960160,
%U A126547 3927490056266692,40765343764050602,423128260660074728
%N A126547 Number of base 26 n-digit numbers with adjacent digits differing by five 
               or less.
%C A126547 [Empirical] a(base,n)=a(base-1,n)+11^(n-1) for base>=5n-4; a(base,n)=a(base-1,
               n)+11^(n-1)-2 when base=5n-5
%o A126547 (S/R) stvar $[N]:(0..M-1) init $[]:=0 asgn $[]->{*} kill +[i in 0..N-2](($[i]`-$[i+1]`>
               5)+($[i+1]`-$[i]`>5))
%Y A126547 Cf. Base 26 differing by four or less A126521, three or less A126494, 
               two or less A126413, one or less A126380.
%Y A126547 Sequence in context: A086023 A125389 A109467 this_sequence A136922 A136921 
               A042308
%Y A126547 Adjacent sequences: A126544 A126545 A126546 this_sequence A126548 A126549 
               A126550
%K A126547 nonn
%O A126547 0,2
%A A126547 Ron Hardin (rhhardin(AT)att.net), Dec 28 2006

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