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Search: id:A131687
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A131687 Days of the year that are prime numbers in format mmdd (2-digit month followed by 2-digit year). +0
1
101, 103, 107, 109, 113, 127, 131, 211, 223, 227, 229, 307, 311, 313, 317, 331, 401, 409, 419, 421, 503, 509, 521, 523, 601, 607, 613, 617, 619, 701, 709, 719, 727, 809, 811, 821, 823, 827, 829, 907, 911, 919, 929, 1009, 1013, 1019, 1021, 1031, 1103, 1109, 1117, 1123, 1129, 1201, 1213, 1217, 1223, 1229, 1231 (list; graph; listen)
OFFSET

1,1

COMMENT

229 is a prime day of the year only on leap years.

CROSSREFS

Sequence in context: A043639 A134808 A030474 this_sequence A048528 A085821 A056709

Adjacent sequences: A131684 A131685 A131686 this_sequence A131688 A131689 A131690

KEYWORD

easy,fini,full,nonn,base

AUTHOR

Tanya Khovanova (tanyakh(AT)yahoo.com), Sep 14 2007

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.


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