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A134691 Possible number of weeks between two (Gregorian calendar) Easters. 0
0, 50, 51, 54, 55, 101, 102, 105, 106, 155, 156, 157, 160, 161, 206, 207, 210, 211, 257, 258, 261, 262, 311, 312, 313, 316, 317, 362, 363, 366, 367, 368, 413, 414, 417, 418, 468, 469, 472, 473, 518, 519, 520, 522, 523, 524, 573, 574, 577, 578, 624, 625, 628 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Some numbers in this sequence are very rare in actual occurrence: In the 5700000-year cycle for Gregorian Easter dates, 311 occurs 1152 times, 678 occurs 688 times and 1045 occurs only 96 times (the first occasion between the years 31083 and 31103).

Does every large enough number appear in this sequence? - Charles R Greathouse IV, Jul 14 2012

LINKS

Table of n, a(n) for n=1..53.

E. Weisstein, Easter.

H. Havermann, Weeks Between Easters.

Index entries for sequences related to calendars

EXAMPLE

311 is in the sequence because there exist two Easters (for example, between the years 7996 and 8002) that are 311 weeks apart.

CROSSREFS

Sequence in context: A078289 A043618 A296874 * A139182 A294297 A081646

Adjacent sequences:  A134688 A134689 A134690 * A134692 A134693 A134694

KEYWORD

nonn

AUTHOR

Hans Havermann, Jan 26 2008, Mar 04 2008

STATUS

approved

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Last modified September 21 23:49 EDT 2018. Contains 315266 sequences. (Running on oeis4.)