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Search: id:A082810
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| A082810 |
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Palindromes in which every digit occurs with equal frequency. |
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+0
1
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| 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 22, 33, 44, 55, 66, 77, 88, 99, 111, 222, 333, 444, 555, 666, 777, 888, 999, 1001, 1111, 1221, 1331, 1441, 1551, 1661, 1771, 1881, 1991, 2002, 2112, 2222, 2332, 2442, 2552, 2662, 2772, 2882, 2992, 3003, 3113, 3223, 3333, 3443
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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A superset of A010785. Can some one calculate the index of a term k say having d digits? There are terms like 1,2,3,4,5,6,7,8,9,1331,2442,3553,...which have the property that a(31) = 1331, a(42) = 2442, A(53) = 3553 etc. Are there infinitely many such members?
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EXAMPLE
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132231 is a member.
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CROSSREFS
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Cf. A010785.
Sequence in context: A071267 A110784 A082937 this_sequence A010785 A032573 A117054
Adjacent sequences: A082807 A082808 A082809 this_sequence A082811 A082812 A082813
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KEYWORD
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base,easy,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Apr 21 2003
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