A008686 Day-of-month at weekly intervals from Jan 01 of a non-leap year (a finite sequence with 53 terms).
1, 8, 15, 22, 29, 5, 12, 19, 26, 5, 12, 19, 26, 2, 9, 16, 23, 30, 7, 14, 21, 28, 4, 11, 18, 25, 2, 9, 16, 23, 30, 6, 13, 20, 27, 3, 10, 17, 24, 1, 8, 15, 22, 29, 5, 12, 19, 26, 3, 10, 17, 24, 31
Offset: 1
Crossrefs
Cf. A003786 (the same for a leap year).
Programs
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Mathematica
#[[3]]&/@DateRange[{2021,1,1},{2021,12,31},7] (* Harvey P. Dale, Jan 24 2025 *)
Extensions
Edited by N. J. A. Sloane, Jul 26 2023