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Search: id:A057349
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| A057349 |
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Leap years in the Hebrew Calendar starting in year 1 (3761 BCE). The leap year has an extra -month-. |
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+0
4
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| 3, 6, 8, 11, 14, 17, 19, 22, 25, 27, 30, 33, 36, 38, 41, 44, 46, 49, 52, 55, 57, 60, 63, 65, 68, 71, 74, 76, 79, 82, 84, 87, 90, 93, 95, 98, 101, 103, 106, 109, 112, 114, 117, 120, 122, 125, 128, 131, 133, 136, 139, 141, 144, 147, 150, 152, 155, 158, 160, 163, 166
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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A Hebrew year approximates a solar year with 12 and 7/19 lunar months (or 19 years with 235 months, the 19-year Metonic cycle)
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REFERENCES
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N. Dershowitz and E. M. Reingold, Calendrical Calculations, Cambridge University Press, 1997.
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LINKS
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N. Dershowitz and E. M. Reingold, Calendrical Calculations Web Site
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FORMULA
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a(n) = floor((19n + 5)/7), ((1 + 7*n) mod 19) < 7
Is a(n) = A083033(n-1) + n + 2? - Ralf Stephan, Feb 24 2004
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CROSSREFS
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Cf. A008685, Hebrew month pattern A057350, A057347.
Adjacent sequences: A057346 A057347 A057348 this_sequence A057350 A057351 A057352
Sequence in context: A004957 A026352 A047399 this_sequence A087068 A022851 A050503
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KEYWORD
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nonn,easy
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AUTHOR
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Mitch Harris (Harris.Mitchell(AT)mgh.harvard.edu)
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