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A177348 Subset of A174525 not of the form a*a + b*b - 1. 0

%I #9 May 13 2014 03:50:03

%S 134,254,326,365,491,554,581,599,731,782,794,815,818,821,869,875,914,

%T 941,951,974,1021,1046,1106,1166,1189,1210,1211,1442,1483,1526,1541,

%U 1559,1646,1706,1730,1739,1787,1814,1877,1882,1886,1954,1966,1990,2014

%N Subset of A174525 not of the form a*a + b*b - 1.

%e For 134, 135 is not the sum of two squares. However, 102*134 + 21 and 21*134 + 102 are both squares, so 134 belongs to this sequence.

%Y Subset of A174525.

%K base,easy,nonn

%O 1,1

%A Michael Peake (michael.peake(AT)bigpond.com.au), May 07 2010

%E Minor edits by _Franklin T. Adams-Watters_, May 12 2014

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)