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%I #11 Apr 09 2024 16:01:05
%S 55,169,247,253,323,493,529,556,671,1027,1111,1243,1261,1339,1375,
%T 1711,1751,1803,2185,2413,2431,2881,3193,4381,4417,4843,5029,5203,
%U 5251,6631,7093,7999,8515,8653,9271,9307,9481,9523,9593,9727,9745,9937,9955,10393,10555
%N Composites in base 10 that remain composite in exactly five bases b, 2 <= b <= 10, expansions interpreted as decimal numbers.
%C Less remaining is not possible for even numbers.
%H Sebastian Petzelberger, <a href="/A256353/b256353.txt">Table of n, a(n) for n = 1..10000</a>
%H Carlos Rivera, <a href="http://www.primepuzzles.net/puzzles/puzz_024.htm">PP&P Puzzle 24: Primes in several bases</a>
%Y Cf. A052026, A256350-A256356, A038537, A052027-A052033, A084482, A236356.
%K nonn,base,changed
%O 1,1
%A _Sebastian Petzelberger_, Mar 25 2015
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