A176478 Years in which there are five Saturdays in the month of February.

1772, 1812, 1840, 1868, 1896, 1908, 1936, 1964, 1992, 2020, 2048, 2076, 2116, 2144, 2172, 2212, 2240, 2268, 2296, 2308, 2336, 2364, 2392, 2420, 2448, 2476, 2516, 2544, 2572, 2612, 2640, 2668, 2696, 2708, 2736, 2764, 2792, 2820, 2848, 2876, 2916, 2944, 2972, 3012, 3040

Offset

1,1

Links

Table of n, a(n) for n=1..45.

Index entries for sequences related to calendars

Index entries for linear recurrences with constant coefficients, signature (1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, -1).

Mathematica

(* Needs Mma version >= 9.0 *)
okQ[y_] := LeapYearQ[{y}] && DayName[{y, 2, 1}] == Saturday;
Select[Range[1752, 3052, 4], okQ] (* Jean-François Alcover, Mar 27 2020 *)

Crossrefs

Cf. A119406 (Sun), A135795 (Mon), A143994 (Tue), A141039 (Wed), A143995 (Thu), A141287 (Fri).

Sequence in context: A237900 A221118 A155023 * A187132 A185836 A047826

Adjacent sequences: A176475 A176476 A176477 * A176479 A176480 A176481

Keyword

nonn

Author

Robert G. Wilson v, Apr 18 2010

Extensions

Wrong years removed by J. Lowell, Apr 22 2010

Corrected and extended by Jean-François Alcover, Mar 27 2020

Status

approved