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A126416 Number of base 29 n-digit numbers with adjacent digits differing by two or less. 3
1, 29, 139, 675, 3293, 16111, 78973, 387649, 1904855, 9368155, 46104985, 227035385, 1118543555, 5513100825, 27183073683, 134072923311, 661465385599, 3264246330381, 16112271179843, 79546038380771, 392789214129155 (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 29 differing by one or less A126383.

Sequence in context: A145980 A142622 A124957 * A023277 A299109 A302542

Adjacent sequences:  A126413 A126414 A126415 * A126417 A126418 A126419

KEYWORD

nonn,base

AUTHOR

R. H. Hardin, Dec 28 2006

STATUS

approved

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Last modified January 21 02:20 EST 2021. Contains 340332 sequences. (Running on oeis4.)