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Search: id:A126550
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| A126550 |
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Number of base 29 n-digit numbers with adjacent digits differing by five or less. |
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+0
1
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| 1, 29, 289, 2959, 30579, 317691, 3311243, 34585355, 361740287, 3787051269, 39670729943, 415732916939, 4357872695907, 45688963092281, 479069715467701, 5023652672220343, 52682042911762795, 552484654621468327
(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 29 differing by four or less A126524, three or less A126497, two or less A126416, one or less A126383.
Sequence in context: A124310 A101380 A125392 this_sequence A146015 A163708 A147831
Adjacent sequences: A126547 A126548 A126549 this_sequence A126551 A126552 A126553
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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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