%I #7 Apr 30 2015 21:44:55
%S 1,2,12,18,32,40,64,84,108,124,138,170,206,214,274,296,318,338,348,
%T 378,426,454,498,532,564,600,662,678,710,736,766,836,874,920,944,954,
%U 1078,1104,1120,1170,1202,1254,1296,1332,1378,1416,1434,1466,1592,1612,1660,1696,1778,1786,1820,1888,1932,1952,2058
%N Difference between {the first unlucky number removed at the n-th stage of Lucky sieve} and {the n-th Lucky number}: a(n) = A219178(n) - A000959(n).
%H Antti Karttunen, <a href="/A257256/b257256.txt">Table of n, a(n) for n = 1..767</a>
%F a(n) = A219178(n) - A000959(n).
%o (Scheme) (define (A257256 n) (- (A219178 n) (A000959 n)))
%Y First column of A257255.
%Y Cf. A000959, A219178.
%K nonn
%O 1,2
%A _Antti Karttunen_, Apr 29 2015