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A143994 Years in which there are five Tuesdays in the month of February. 6
1780, 1820, 1848, 1876, 1916, 1944, 1972, 2000, 2028, 2056, 2084, 2124, 2152, 2180, 2220, 2248, 2276, 2316, 2344, 2372, 2400, 2428, 2456, 2484, 2524, 2552, 2580, 2620, 2648, 2676, 2716, 2744, 2772, 2800, 2828, 2856, 2884, 2924, 2952, 2980, 3020, 3048 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..42.

Index entries for sequences related to calendars

MAPLE

A143994 := proc(n) nper := (n-1) mod 13 ; floor((n-1)/13)*400+op(1+nper , [1780, 1820, 1848, 1876, 1916, 1944, 1972, 2000, 2028, 2056, 2084, 2124, 2152] ) ; end proc: seq(A143994(n), n=1..80) ; # R. J. Mathar, Mar 29 2010

MATHEMATICA

(* First do *) Needs["Calendar`"] (* then *) fQ[y_] := Mod[y, 4] == 0 && Mod[y, 400]!=0 && DayOfWeek[{y, 2, 1}] == Tuesday; Select[Range[1750, 3051], fQ@# &] (* Robert G. Wilson v, Jun 11 2010 *)

CROSSREFS

Cf. A119406, A135795, A141039, A141287, A143995.

Sequence in context: A233953 A282404 A167282 * A237906 A187524 A253057

Adjacent sequences:  A143991 A143992 A143993 * A143995 A143996 A143997

KEYWORD

nonn

AUTHOR

J. Lowell, Sep 07 2008

EXTENSIONS

More terms from R. J. Mathar, Mar 29 2010

STATUS

approved

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Last modified May 28 20:12 EDT 2017. Contains 287241 sequences.