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A124979 Numbers in A118882 for which 5 is not a divisor. +0
2
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; listen)
OFFSET

1,1

LINKS

M. F. Hasler, Table of n, a(n) for n=1,...,1000

PROGRAM

(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

CROSSREFS

Cf. A118882.

Sequence in context: A044869 A038512 A141075 this_sequence A018820 A020249 A156159

Adjacent sequences: A124976 A124977 A124978 this_sequence A124980 A124981 A124982

KEYWORD

nonn

AUTHOR

Artur Jasinski (grafix(AT)csl.pl), Nov 15 2006

EXTENSIONS

Corrected and extended by M. F. Hasler, Feb 08 2009

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.


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