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Search: id:A088879
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| -1, 0, 2, 4, 6, 8, 12, 14, 16, 18, 22, 26, 28, 32, 34, 36, 42, 44, 48, 54, 56, 58, 62, 64, 74, 76, 78, 82, 84, 86, 88, 92, 96, 102, 104, 114, 116, 118, 126, 128, 132, 138, 142, 146, 148, 152, 154, 158, 162, 166, 168, 172, 184, 186, 188, 194, 196, 198, 204, 212, 214, 216, 218
(list; graph; listen)
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OFFSET
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1,3
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REFERENCES
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M. Cerasoli, F. Eugeni and M. Protasi, Elementi di Matematica Discreta, Bologna 1988
Emanuele Munarini and Norma Zagaglia Salvi, Matematica Discreta,UTET, CittaStudiEdizioni, Milano 1997
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FORMULA
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a(n) = A024893(n)-1 = A087370(n)-2.
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CROSSREFS
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A003627 gives primes, A091177 gives prime index.
Adjacent sequences: A088876 A088877 A088878 this_sequence A088880 A088881 A088882
Sequence in context: A092990 A103829 A058817 this_sequence A139363 A091065 A043723
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KEYWORD
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easy,sign
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AUTHOR
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Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Nov 27 2003
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EXTENSIONS
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Edited and extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Dec 26 2003
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