OFFSET
0,1
COMMENTS
From Sean A. Irvine, Jun 22 2018: (Start)
a(0) is "missing" 365 days since there was no year 0.
a(17) is "missing" 11 days due to the change from Julian to Gregorian calendars in the English-speaking countries in 1752. (End)
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved