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A143994
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Years in which there are five Tuesdays in the month of February.
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6
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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; internal format)
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OFFSET
| 1,1
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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) ; [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Mar 29 2010]
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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@# &] [From Robert G. Wilson v (rgwv(AT)rgwv.com), Jun 11 2010]
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CROSSREFS
| A119406, A135795, A141039, A141287
Cf. A143995 [From J. Lowell (jhbubby(AT)mindspring.com), Oct 06 2008]
Sequence in context: A143995 A205938 A167282 * A187524 A204637 A023088
Adjacent sequences: A143991 A143992 A143993 * A143995 A143996 A143997
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KEYWORD
| nonn
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AUTHOR
| J. Lowell (jhbubby(AT)mindspring.com), Sep 07 2008
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EXTENSIONS
| More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Mar 29 2010
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