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A104056
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Each number is the rank in the alphabet of a letter (and "0" stands for a space). After substitution one reads (in English): "one five one four five zero six nine two two five zero ..." which is the succession of the digits of the sequence itself: 1 5 1 4 5 0 6 9 2 2 5 0...
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3
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15, 14, 5, 0, 6, 9, 22, 5, 0, 15, 14, 5, 0, 6, 15, 21, 18, 0, 6, 9, 22, 5, 0, 26, 5, 18, 15, 0, 19, 9, 24, 0, 14, 9, 14, 5, 0, 20, 23, 15, 0, 20, 23, 15, 0, 6, 9, 22, 5, 0, 26, 5, 18, 15, 0, 15, 14, 5, 0, 6, 9, 22, 5, 0, 15, 14, 5, 0, 6, 15, 21, 18, 0, 6, 9, 22, 5, 0, 26, 5, 18, 15, 0, 19, 9, 24
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OFFSET
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1,1
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COMMENTS
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The only other such sequence starts with: 20,23,15,0,26,5,18,15,0... (which reads "two zero...")
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LINKS
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Table of n, a(n) for n=1..86.
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PROG
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Contribution from M. F. Hasler, Aug 18 2010: (Start)
(PARI) /* helper function */
digit2seq(d) = { concat( apply( x->bitand(x, -97), Vec( Vecsmall( Str( [zero, one, two, three, four, five, six, seven, eight, nine][d+1])))), 0) }
/* compute this sequence to at least Nmin terms. */
A104056(Nmin, a=[], pos=1)={ while( Nmin > #a=concat( a, concat( apply( digit2seq, eval( Vec( Str( if( #a, a[pos++ ], 15) )))))), ); a}
(End)
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CROSSREFS
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Cf. A169978.
Cf. A104057 (Same rule, but starting with 20). [From M. F. Hasler, Aug 18 2010]
Sequence in context: A072348 A317422 A129786 * A131285 A130677 A343924
Adjacent sequences: A104053 A104054 A104055 * A104057 A104058 A104059
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KEYWORD
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base,easy,nonn,word
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AUTHOR
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Eric Angelini, Mar 02 2005
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EXTENSIONS
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Typo in sequence corrected by D. S. McNeil, Aug 18 2010
Extended beyond a(55) by M. F. Hasler, Aug 18 2010
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STATUS
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approved
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