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Search: id:A155486
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| A155486 |
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Concatenates of odd n and even n-th nonprimes. |
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+0
1
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| 34, 58, 710, 914, 1116, 1522, 2130, 2940, 3144, 3346, 3954, 4156, 4358, 4562, 4764, 4966, 5980, 6182, 6790, 6992, 7194, 7396, 77102, 81108, 85114, 87116, 89118, 91120, 93122, 95124, 97126, 101132, 103134, 105136, 107140, 109142, 111146, 115148
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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If n=3=odd and nonprime(3)=4=even, then concatenate 34 = a(1). If n=5=odd and nonprime(5)=8=even, then concatenate 58 = a(2). If n=7=odd and nonprime(7)=10=even, then concatenate 710 = a(3), etc/
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CROSSREFS
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Cf. A000027, A141468.
Sequence in context: A103558 A103686 A108610 this_sequence A119454 A115159 A125192
Adjacent sequences: A155483 A155484 A155485 this_sequence A155487 A155488 A155489
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KEYWORD
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nonn,base
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AUTHOR
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Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Jan 23 2009
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