%I
%S 1,29,241,2049,17561,151221,1306137,11305233,98001277,850500103,
%T 7387286529,64205640387,558304969573,4856561584969,42257794378689,
%U 367769781530795,3201211717021261,27867955430533517,242624946286670611
%N Number of base 29 ndigit numbers with adjacent digits differing by four or less.
%C [Empirical] a(base,n)=a(base1,n)+9^(n1) for base>=4n3; a(base,n)=a(base1,n)+9^(n1)2 when base=4n4
%o (S/R) stvar $[N]:(0..M1) init $[]:=0 asgn $[]>{*} kill +[i in 0..N2](($[i]`$[i+1]`>4)+($[i+1]`$[i]`>4))
%Y Cf. Base 29 differing by three or less A126497, two or less A126416, one or less A126383.
%K nonn,base
%O 0,2
%A _R. H. Hardin_, Dec 28 2006
