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Search: id:A059985
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| A059985 |
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Lukaciewicz words as integers written in factorial base. |
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+0
2
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| 0, 1, 3, 4, 9, 10, 13, 14, 18, 33, 34, 37, 38, 42, 51, 52, 55, 56, 60, 73, 74, 78, 96, 153, 154, 157, 158, 162, 171, 172, 175, 176, 180, 193, 194, 198, 216
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OFFSET
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0,3
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COMMENT
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There are c(n)=A000108(n-1) (Catalan number) Lukaciewicz words of length n, A014137(n-1)=sum (c(i), i=1...,n)= number of integer <n! in this sequence.
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EXAMPLE
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Lukaciewicz's words: 0 01 011 002 0111 0021 0102 0012 0003 01111 00211 01021 00121 00031 01102 00202 01012 00112 00022 01003 00103 00013 00004 ... example:f(01012)=0*0!+1*1!+0*2!+1*3!+2*3!
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CROSSREFS
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Cf. A059984.
Sequence in context: A005836 A054591 A121153 this_sequence A137709 A090120 A129783
Adjacent sequences: A059982 A059983 A059984 this_sequence A059986 A059987 A059988
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KEYWORD
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nonn
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AUTHOR
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Claude Lenormand (claude.lenormand(AT)free.fr), Mar 07 2001
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