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A111157
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Numbers n such that sequence A_n in this database does not contain a prime.
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0
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4, 7, 12, 35, 56, 66, 82, 118, 132, 141, 143, 144, 145, 152, 156, 252
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| That is, the complete sequence A_n, not just the terms that are shown in the entry, does not contain a prime or the negative of a prime. The only exception to this is for sequences with keyword "dead", when only the visible terms are to be considered.
No other terms below 287. Is 287 a member? This requires proof.
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LINKS
| PrimeFan, Esoteric Integer Sequences (Gives a different version.)
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CROSSREFS
| Cf. A111198.
Sequence in context: A123194 A183336 A102953 * A169700 A162957 A051456
Adjacent sequences: A111154 A111155 A111156 * A111158 A111159 A111160
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KEYWORD
| nonn,more,dumb
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), following a suggestion of Alonso Del Arte (alonso.delarte(AT)gmail.com), Oct 21 2005
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EXTENSIONS
| Replaced a geocities.com link - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 30 2009
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