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Search: id:A102761
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| A102761 |
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a(1)=0; a(2)=1; add digit a to digit (a+1) and write the result as a succession of digits. |
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+0
3
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| 0, 1, 1, 2, 3, 5, 8, 1, 3, 9, 4, 1, 2, 1, 3, 5, 3, 3, 4, 8, 8, 6, 7, 1, 2, 1, 6, 1, 4, 1, 3, 8, 3, 3, 7, 7, 5, 5, 4, 1, 1, 1, 1, 6, 1, 0, 1, 4, 1, 2, 1, 0, 9, 5, 2, 2, 2, 7, 7, 1, 1, 5, 5, 3, 3, 1, 9, 1, 4, 7, 4, 4, 9, 1, 4, 8, 2, 6, 1, 0, 8, 6, 4, 1, 0, 1, 0, 5, 1, 1, 1, 1, 8, 1, 3, 1, 0, 5, 1, 2, 1, 0, 8, 7, 1
(list; graph; listen)
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OFFSET
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1,4
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COMMENT
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This is zero followed by A093086. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 30 2008]
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EXAMPLE
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0 + 1 = 1,
1 + 1 = 2,
1 + 2 = 3,
2 + 3 = 5,
3 + 5 = 8,
5 + 8 = 1, 3,
8 + 1 = 9,
1 + 3 = 4,
...
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MAPLE
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with(linalg): A:=matrix(1, 2, [0, 1]): for n from 1 to 100 do if A[1, n]+A[1, n+1]<10 then A:=concat(A, matrix(1, 1, A[1, n]+A[1, n+1])) else A:=concat(A, matrix(1, 2, [1, A[1, n]+A[1, n+1]-10])) fi od: matrix(A); (Deutsch)
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CROSSREFS
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Sequence in context: A105150 A008963 A031324 this_sequence A093086 A093092 A031111
Adjacent sequences: A102758 A102759 A102760 this_sequence A102762 A102763 A102764
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KEYWORD
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base,easy,nonn
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AUTHOR
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Eric Angelini (eric.angelini(AT)kntv.be), Feb 10 2005
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EXTENSIONS
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More terms from Emeric Deutsch (deutsch(AT)duke.poly.edu), May 31 2005
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