A174431 - OEIS

%I #9 Jun 19 2021 13:13:53

%S 0,0,0,1,0,0,0,6,0,0,0,4,0,0,0,2,0,0,0,7,0,0,0,5,0,0,0,3,0,0,0,1,0,0,

%T 0,6,0,0,0,4,0,0,0,2,0,0,0,0,0,0,0,4,0,0,0,2,0,0,0,7,0,0,0,5,0,0,0,3,

%U 0,0,0,1,0,0,0,6,0,0,0,4,0,0,0,2,0,0,0,7

%N Day of the week occurring 5 times in February, or 0 if no such day exists (1 to 7 are Sunday to Saturday).

%H <a href="/index/Ca#calendar">Index entries for sequences related to calendars</a>

%e a(1756) = 1 because February 1756 has 5 Sundays.

%Y Cf. A119406 (Sundays), A135795 (Mondays), A141039 (Wednesdays).

%Y Cf. A143994 (Tuesdays), A143995 (Thursdays).

%K nonn

%O 1753,8

%A _J. Lowell_, Mar 19 2010

%E More terms from _R. J. Mathar_, Apr 15 2010

%E a(1827)-a(1840) from _Jinyuan Wang_, Jun 19 2021