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A057349 Leap years in the Hebrew Calendar starting in year 1 (3761 BCE). The leap year has an extra -month-. 3
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; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

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)

REFERENCES

N. Dershowitz and E. M. Reingold, Calendrical Calculations, Cambridge University Press, 1997.

LINKS

N. Dershowitz and E. M. Reingold, Calendrical Calculations

Index to sequences with linear recurrences with constant coefficients, signature (1,0,0,0,0,0,1,-1).

FORMULA

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

PROG

(PARI) a(n)=(19*n+5)\7 \\ Charles R Greathouse IV, Dec 07 2011

CROSSREFS

Cf. A008685, Hebrew month pattern A057350, A057347.

Sequence in context: A026352 A198084 A047399 * A087068 A022851 A050503

Adjacent sequences:  A057346 A057347 A057348 * A057350 A057351 A057352

KEYWORD

nonn,easy

AUTHOR

Mitch Harris (Harris.Mitchell(AT)mgh.harvard.edu)

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Last modified February 14 11:36 EST 2012. Contains 205623 sequences.