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A126549 Number of base 28 n-digit numbers with adjacent digits differing by five or less. 0
1, 28, 278, 2838, 29248, 303050, 3150192, 32813808, 342256684, 3572874122, 37318284692, 389922817124, 4075058667258, 42594362751624, 445257076027562, 4654740529039096, 48662762737708064, 508755029491780946 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

[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

LINKS

Table of n, a(n) for n=0..17.

PROG

(S/R) stvar $[N]:(0..M-1) init $[]:=0 asgn $[]->{*} kill +[i in 0..N-2](($[i]`-$[i+1]`>5)+($[i+1]`-$[i]`>5))

CROSSREFS

Cf. Base 28 differing by four or less A126523, three or less A126496, two or less A126415, one or less A126382.

Sequence in context: A349861 A159883 A125391 * A300297 A250649 A107418

Adjacent sequences:  A126546 A126547 A126548 * A126550 A126551 A126552

KEYWORD

nonn,base

AUTHOR

R. H. Hardin, Dec 28 2006

STATUS

approved

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Last modified August 8 01:03 EDT 2022. Contains 355995 sequences. (Running on oeis4.)