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A350471 The number of days elapsed since the Gregorian date Sunday, December 31, 1 BC on 1/1/n, where 1/1/n is the Gregorian date in the format month/day/year, the New Year's Day of the year n. 2
1, 366, 731, 1096, 1462, 1827, 2192, 2557, 2923, 3288, 3653, 4018, 4384, 4749, 5114, 5479, 5845, 6210, 6575, 6940, 7306, 7671, 8036, 8401, 8767, 9132, 9497, 9862, 10228, 10593, 10958, 11323, 11689, 12054, 12419, 12784, 13150, 13515, 13880, 14245, 14611, 14976, 15341, 15706 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
The number of days elapsed since the Gregorian date Sunday, December 31, 1 BC is also called the 'absolute date'. Note that there was no year 0. Thus this sequence shows the absolute date of the New Year's Day of the year n.
LINKS
Wikipedia, Gregorian calendar.
EXAMPLE
Gregorian date 1/1/2022 = Julian date 12/19/2021 = Hebrew date 10/28/5782 = Islamic date 5/27/1443 = absolute date 738156.
PROG
(Python)
def A350471(n):
m = n - 1
return 1 + 365 * m + m // 4 - m // 100 + m // 400
print([A350471(n) for n in range(1, 45)])
CROSSREFS
Cf. A350458.
Sequence in context: A259077 A219960 A033174 * A249704 A260281 A325847
KEYWORD
nonn
AUTHOR
Peter Luschny, Jan 02 2022
STATUS
approved

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Last modified February 22 16:01 EST 2024. Contains 370256 sequences. (Running on oeis4.)