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A126419 Number of base 32 n-digit numbers with adjacent digits differing by two or less. 4
1, 32, 154, 750, 3668, 17986, 88348, 434524, 2139230, 10540030, 51964360, 256332260, 1265027930, 6245522700, 30845183058, 152383470186, 753018119972, 3722010001906, 18401089523298, 90990129769076, 450009665618408 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

[Empirical] a(base,n)=a(base-1,n)+5^(n-1) for base>=2n-1; a(base,n)=a(base-1,n)+5^(n-1)-2 when base=2n-2

LINKS

Table of n, a(n) for n=0..20.

PROG

(S/R) stvar $[N]:(0..M-1) init $[]:=0 asgn $[]->{*} kill +[i in 0..N-2](($[i]`-$[i+1]`>2)+($[i+1]`-$[i]`>2))

CROSSREFS

Cf. Base 32 differing by one or less A126386.

Sequence in context: A234132 A203557 A124998 * A197621 A318159 A035286

Adjacent sequences:  A126416 A126417 A126418 * A126420 A126421 A126422

KEYWORD

nonn,base

AUTHOR

R. H. Hardin, Dec 28 2006

STATUS

approved

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Last modified November 14 01:24 EST 2019. Contains 329108 sequences. (Running on oeis4.)