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A124979
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Numbers in A118882 for which 5 is not a divisor.
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2
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169, 221, 289, 338, 377, 442, 481, 493, 507, 533, 578, 629, 663, 676, 689, 697, 754, 793, 841, 867, 884, 901, 949, 962, 986, 1014, 1037, 1066, 1073, 1131, 1156, 1157, 1183, 1189, 1241, 1258, 1261, 1313, 1326, 1352, 1369, 1378, 1394, 1417, 1443, 1469, 1479, 1508, 1513, 1517
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| M. F. Hasler, Table of n, a(n) for n=1,...,1000
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PROG
| (PARI) for( n=2, 999, n%5|next; vecmin(factor(n)[, 1]%4)>1 & next; n22=n^2*2; sum( k=n+1, n*sqrt(2), issquare(n22-k^2))>1 & print1(n", ")) - M. F. Hasler, Feb 08 2009
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CROSSREFS
| Cf. A118882.
Sequence in context: A044869 A038512 A141075 * A018820 A202004 A020249
Adjacent sequences: A124976 A124977 A124978 * A124980 A124981 A124982
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KEYWORD
| nonn
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AUTHOR
| Artur Jasinski (grafix(AT)csl.pl), Nov 15 2006
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EXTENSIONS
| Corrected and extended by M. F. Hasler, Feb 08 2009
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