A352947 Prime numbers representing a date based on the proleptic Gregorian calendar in YY..YMMDD format.
10103, 10111, 10211, 10223, 10301, 10303, 10313, 10321, 10331, 10427, 10429, 10501, 10513, 10529, 10531, 10601, 10607, 10613, 10627, 10709, 10711, 10723, 10729, 10831, 10903, 10909, 11003, 11027, 11113, 11117, 11119, 11213, 20101, 20107, 20113, 20117, 20123
Offset: 1
Examples
20050403 is a term because the date 'Apr 3, 2005' represented in YY..YMMDD format is 20050403, which is a prime number.
Programs
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Python
from sympy import isprime for y in range(1, 3): for m in range(1, 13): d_max = 31 if m in {1, 3, 5, 7, 8, 10, 12} else 30 if m in {4, 6, 9, 11} else 28 if (y%4 or (y%400 and not y%100)) else 29 for d in range(1, d_max + 1): date = 10000*y + 100*m + d if isprime(date): print(date, end = ', ')