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Search: id:A082204
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| A082204 |
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Begin with a 1, then place the smallest (as far as possible distinct) digits, such that, beginning from the n-th term, n terms form a palindrome. |
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+0
3
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| 1, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2
(list; graph; listen)
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OFFSET
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0,2
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FORMULA
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a(1) = 1; for k > 0, a(3k-1) = a(3k) = 2; a(3k+1) = 3. - David Wasserman (wasserma(AT)spawar.navy.mil), Aug 19 2004
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EXAMPLE
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The first six palindromes are 1, 22, 232, 3223, 22322, 232232.
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CROSSREFS
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Cf. A082205, A082206.
Sequence in context: A107259 A121041 A003589 this_sequence A087159 A062502 A141242
Adjacent sequences: A082201 A082202 A082203 this_sequence A082205 A082206 A082207
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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 10 2003
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EXTENSIONS
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More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Aug 19 2004
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