%I A136768
%S A136768 7,15,23,31,39,47,55,56,64,72,80,88,96,104,112,113,121,129,137,145,153,
%T A136768 161,169,170,178,186,194,202,210,218,226,227,235,243,251,259,267,275,
%U A136768 283,284,292,300,308,316,324,332,340,341,349,357,365,373,381,389,397
%N A136768 n! never ends in this many 0's in base 7.
%C A136768 Also: n! never ends in this many 0's in base 14, 21, 28 and all other 
               7-divisible proper factors of 7!
%Y A136768 Cf. A000142, A136758, A136694, A055938, A096346, A136767, A136769, A136770, 
               A136771, A136772, A136773, A136774.
%Y A136768 Sequence in context: A041092 A004215 A043449 this_sequence A031490 A059562 
               A017149
%Y A136768 Adjacent sequences: A136765 A136766 A136767 this_sequence A136769 A136770 
               A136771
%K A136768 base,nonn
%O A136768 0,1
%A A136768 Carl R. White (oeisfan(AT)phodd.net), Jan 21 2008