A126545 Number of base 24 n-digit numbers with adjacent digits differing by five or less.

1, 24, 234, 2354, 23924, 244486, 2505990, 25729152, 264403424, 2718476326, 27957786710, 287570952278, 2958167790692, 30431267734052, 313060248631608, 3220635873588592, 33132828240473566, 340860858043433410

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 24 differing by four or less A126519, three or less A126492, two or less A126411, one or less A126378.

Sequence in context: A027275 A027260 A125387 * A193168 A190020 A213560

Adjacent sequences: A126542 A126543 A126544 * A126546 A126547 A126548

Keyword

nonn,base

Author

R. H. Hardin, Dec 28 2006

Status

approved