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Search: id:A135700
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| A135700 |
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Palindromes formed from the reflected decimal expansion of golden ratio phi. |
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+0
4
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| 1, 11, 161, 1661, 16161, 161161, 1618161, 16188161, 161808161, 1618008161, 16180308161, 161803308161, 1618033308161, 16180333308161, 161803393308161, 1618033993308161, 16180339893308161, 161803398893308161
(list; table; graph; listen)
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OFFSET
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1,2
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COMMENT
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Phi = 1.61803398874989484820458683436... (See A001622).
The number of digits of a(n) is equal to n.
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EXAMPLE
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n ... Successive digits of a(n)
1 ............ ( 1 )
2 ........... ( 1 1 )
3 .......... ( 1 6 1 )
4 ......... ( 1 6 6 1 )
5 ........ ( 1 6 1 6 1 )
6 ....... ( 1 6 1 1 6 1 )
7 ...... ( 1 6 1 8 1 6 1 )
8 ..... ( 1 6 1 8 8 1 6 1 )
9 .... ( 1 6 1 8 0 8 1 6 1 )
10 .. ( 1 6 1 8 0 0 8 1 6 1 )
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CROSSREFS
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Cf. A001622, A002113.
Cf. A138072, A138073.
Sequence in context: A051608 A156933 A158512 this_sequence A141876 A051619 A142513
Adjacent sequences: A135697 A135698 A135699 this_sequence A135701 A135702 A135703
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KEYWORD
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base,nonn,tabl
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AUTHOR
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Omar E. Pol (info(AT)polprimos.com), Mar 01 2008, Mar 28 2008
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