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Search: id:A096071
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| 3, 11, 23, 41, 67, 83, 109, 137, 173, 223, 269, 311, 359, 409, 467, 541, 607, 677, 751, 829, 907, 991, 1087, 1181, 1277, 1381, 1487, 1601, 1721, 1847, 1973, 2099, 2237, 2371, 2521, 2659, 2801, 2953, 3109, 3257, 3433, 3593, 3767, 3947, 4111, 4297, 4481
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OFFSET
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1,1
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COMMENT
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The n-th partial sum of A096070 is prime iff n is even.
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EXAMPLE
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The sixth partial sum of A096070 is 1+2+3+5+4+8 = 23.
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PROGRAM
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(PARI) {m=94; s=0; v=Set([]); for(n=1, m, k=1; while(setsearch(v, k)>0||isprime(s+k)!=(n%2==0), k++); s=s+k; if(n%2==0, print1(s, ", ")); v=setunion(v, Set(k)))}
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CROSSREFS
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Cf. A096070.
Sequence in context: A132209 A086497 A121509 this_sequence A078723 A141187 A107138
Adjacent sequences: A096068 A096069 A096070 this_sequence A096072 A096073 A096074
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KEYWORD
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nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jun 20 2004
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EXTENSIONS
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Edited, corrected and extended by Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Jun 21 2004
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