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%I M2771 #19 Jan 27 2022 23:41:36
%S 1,3,9,17,31,53,85,133,197,293,417,593,849,1193,1661,2291,3139,4299
%N Number of elements in Z[ sqrt(-2) ] whose 'smallest algorithm' is <= n.
%C No recurrence is known.
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H H. W. Lenstra, Jr., <a href="/A006457/a006457.pdf">Letter to N. J. A. Sloane, Nov. 1975</a>
%H P. Samuel, <a href="http://dx.doi.org/10.1016/0021-8693(71)90110-4">About Euclidean rings</a>, J. Alg., 19 (1971), 282-301.
%Y Cf. A006457, A006458.
%K nonn,more
%O 0,2
%A H. W. Lenstra, Jr.
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