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Search: id:A126545
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| A126545 |
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Number of base 24 n-digit numbers with adjacent digits differing by five or less. |
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+0
1
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| 1, 24, 234, 2354, 23924, 244486, 2505990, 25729152, 264403424, 2718476326, 27957786710, 287570952278, 2958167790692, 30431267734052, 313060248631608, 3220635873588592, 33132828240473566, 340860858043433410
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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[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
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PROGRAM
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(S/R) stvar $[N]:(0..M-1) init $[]:=0 asgn $[]->{*} kill +[i in 0..N-2](($[i]`-$[i+1]`>5)+($[i+1]`-$[i]`>5))
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CROSSREFS
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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 this_sequence A159506 A081863 A003264
Adjacent sequences: A126542 A126543 A126544 this_sequence A126546 A126547 A126548
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KEYWORD
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nonn
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AUTHOR
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Ron Hardin (rhhardin(AT)att.net), Dec 28 2006
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