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A076205
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Numbers n such that 30*n+{1,7,11,13,17,19,23,29} are all composite.
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7
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360, 523, 654, 941, 1020, 1047, 1064, 1136, 1188, 1213, 1264, 1280, 1343, 1355, 1445, 1477, 1515, 1526, 1530, 1533, 1582, 1623, 1652, 1693, 1842, 1900, 1960, 2018, 2039, 2129, 2208, 2280, 2309, 2332, 2406, 2413, 2440, 2499, 2539, 2622, 2633, 2650, 2657
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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REFERENCES
| H. S. M. Coxeter and W. O. J. Moser, Generators and Relations for Discrete Groups, 4th ed., Springer-Verlag, NY, reprinted 1984, p. 141.
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LINKS
| T. E. Hahn, Number Theory and the Avta Foundation of Primes
Klaus Brockhaus, Table of n, a(n) for n = 1..6829 (terms < 100000)
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PROG
| (PARI) {cav(mx)= local(wp=[1, 7, 11, 13, 17, 19, 23, 29], v=[], i, j, m); for(k=1, mx, i=k*30; j=1; m=1; while(m&&(j<9), m=!isprime(i+wp[j]); j+=1); if(m, v=concat(v, k))); return(v)}
(MAGMA) [ n: n in [0..3000] | forall{ q: q in [1, 7, 11, 13, 17, 19, 23, 29] | not IsPrime(30*n+q) } ]; // Klaus Brockhaus, Feb 24 2011
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CROSSREFS
| Cf. A005776, A007775, A100418-A100423.
Sequence in context: A072414 A163569 A063067 * A048978 A056502 A056492
Adjacent sequences: A076202 A076203 A076204 * A076206 A076207 A076208
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KEYWORD
| easy,nonn
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AUTHOR
| Donald S. McDonald (don.mcdonald(AT)paradise.net.nz), Nov 02 2002
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EXTENSIONS
| More terms from Ferenc Adorjan (fadorjan(AT)freemail.hu), Nov 19 2004
Edited by Don Reble (djr(AT)nk.ca), Nov 17 2005
Edited by N. J. A. Sloane (njas(AT)research.att.com), Sep 14 2008 at the suggestion of R. J. Mathar
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