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A125680 Blue moon years > 2000. +0
1
2001, 2004, 2007, 2009, 2012, 2015, 2018, 2018, 2020, 2023, 2026, 2028, 2031, 2034, 2037, 2037, 2039, 2042, 2045, 2048, 2050, 2053, 2056, 2058, 2061, 2064, 2066, 2067, 2069, 2072, 2075, 2077, 2080, 2083, 2085, 2088, 2091, 2094, 2094, 2096, 2099, 2102 (list; graph; listen)
OFFSET

1,1

COMMENT

A blue moon is the second full moon to occur in a single calendar month. The sequence contains the (Gregorian) years during which each succeeding blue moon will occur.

REFERENCES

Philip Hiscock, Folklore of the Blue Moon, MUN Folklore & Language Archive, Memorial University of Newfoundland, St John's, Newfoundland A1B 3X8, Canada

Donald W. Olson, What's a Blue Moon?, Sky & Telescope (Archives); May 1999; 36;

Donald W. Olson, Richard T. Fienberg and Roger W. Sinnott, What's a Blue Moon?, Sky & Telescope, (Archives); Jul 2004; 134;

LINKS

David Harper, Blue moon calculator.

Phillip Hisock, Folklore of the Blue Moon

Wikipedia, Blue Moon

EXAMPLE

a(7) = 2018 because at least one Blue Moon will occur that year.

CROSSREFS

Sequence in context: A048517 A048518 A043416 this_sequence A162238 A162239 A104400

Adjacent sequences: A125677 A125678 A125679 this_sequence A125681 A125682 A125683

KEYWORD

nonn,fini

AUTHOR

H. Lee Price (tanutuva(AT)rochester.rr.com), Jan 30 2007

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.


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