login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A001356 Dates at fortnightly intervals from Jan 01 in the Julian calendar.
(Formerly M4961 N2127)
5

%I M4961 N2127

%S 1,15,29,12,26,12,26,9,23,7,21,4,18,2,16,30,13,27,10,24,8,22,5,19,3,

%T 17,31,14,28,11,25,11,25,8,22,6,20,3,17,1,15,29,12,26,9,23,7,21,4,18,

%U 2,16,30,13,27,10,24,10,24,7,21,5,19,2,16,30,14,28,11,25,8,22,6,20,3,17,1,15

%N Dates at fortnightly intervals from Jan 01 in the Julian calendar.

%C Sequence assumes that the first year is the year after a leap year.

%C Periodic sequence with period 1461. - _John Cerkan_, Mar 26 2017

%D Archimedeans Problems Drive, Eureka, 13 (1950), 11.

%D N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

%H John Cerkan, <a href="/A001356/b001356.txt">Table of n, a(n) for n = 1..10000</a>

%H John Cerkan, <a href="/A001356/a001356.py.txt">Python 2.7</a>

%H <a href="/index/Ca#calendar">Index entries for sequences related to calendars</a>

%t (* first do *) Needs["Calendar`"]; (* then *) Table[Calendar`DaysPlus[{1, 1, 1}, 14 n][[3]], {n, 0, 77}] (* _Robert G. Wilson v_, Apr 18 2010 *)

%t (* or *) Table[DateValue[DayPlus[{1, 1, 1}, 14 n], "Day"], {n, 0, 77}] (* recent Mathematica version, _Giovanni Resta_, Mar 22 2017 *)

%Y Cf. A051121.

%K nonn,easy,nice

%O 1,2

%A _N. J. A. Sloane_

%E More terms from Larry Reeves (larryr(AT)acm.org), Mar 17 2000

%E One more term from _Robert G. Wilson v_, Apr 18 2010

%E Name edited by _Charles R Greathouse IV_, Mar 27 2017

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 12 10:52 EDT 2021. Contains 342920 sequences. (Running on oeis4.)