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Search: id:A139298
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OFFSET
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1,1
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FORMULA
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a(n) = 2^(2*A000668(n)-1)/4 = A139294(n)/4.
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CROSSREFS
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Cf. A000668, A139286, A139294, A139295, A139296, A139297, A139299, A139300, A139301, A139302, A139303, A139304, A139305, A139306.
Adjacent sequences: A139295 A139296 A139297 this_sequence A139299 A139300 A139301
Sequence in context: A076955 A024112 A092414 this_sequence A004819 A001375 A017415
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KEYWORD
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bref,more,nonn
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AUTHOR
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Omar E. Pol (info(AT)polprimos.com), Apr 13 2008
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