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%I #6 Jan 30 2023 11:46:36
%S 6,6,6,6,1,6,6,6,6,6,1,6,6,6,6,6,1,6,6,6,6,6,1,6,6,6,6,6,1,1,6,6,6,6,
%T 6,1,6,6,6,6,6,1,6,6,6,6,6,1,6,6,6,6,6,1,6,6,6,6,6,1,1,6,6,6,6,6,1,6,
%U 6,6,6,6,1,6,6,6,6,6,1,6,6,6,6,6,1,6,6,6,6,6,1,1,6,6,6,6,6,1,6,6,6,6,6,1,6
%N First differences of A000966 (number of zeros that n! will never end in).
%C All terms in this sequence are either 1 or 6. - _Charles R Greathouse IV_, Jan 30 2023
%e e.g. A000966(5)=29, A000966(4)=23, so a(4)=29-23=6.
%Y a(n)=A000966(n+1)-A000966(n)
%Y Cf. A000142, A027868.
%K base,nonn
%O 1,1
%A Mark Hudson (mrmarkhudson(AT)hotmail.com), Jan 24 2003
%E More terms from _Sascha Kurz_, Jan 27 2003
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