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Search: id:A083016
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| A083016 |
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Rearrangement of primes such that the sum of two consecutive terms is a square. |
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+0
1
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| 2, 7, 29, 71, 73, 251, 5, 11, 53, 47, 17, 19, 557, 227, 97, 3, 13, 23, 41, 59, 137, 263, 61, 83, 113, 31, 293, 107, 37, 863, 433, 467, 109, 1187, 257, 67, 509, 167, 89, 311, 173, 151, 1613, 503, 281, 43, 101, 223, 353, 131, 193, 383, 401, 499, 797, 103, 1193, 571
(list; graph; listen)
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OFFSET
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1,1
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PROGRAM
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(PARI) { PS(a)= v=vector(a); v[1]=1; k=prime(1); print1(k", "); while(1, t=0; for(s=1, a, r=prime(s); if(v[s]==0 && issquare(k+r), t=r; v[s]=1; break)); if(t==0, break); print1(r", "); k=r) }
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CROSSREFS
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Sequence in context: A076043 A116968 A162172 this_sequence A062064 A158024 A166940
Adjacent sequences: A083013 A083014 A083015 this_sequence A083017 A083018 A083019
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KEYWORD
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nonn
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AUTHOR
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Jason Earls (zevi_35711(AT)yahoo.com), May 28 2003
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