A081245 Number of days in months in the Haab year of Mayan/Mesoamerican calendars.

20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 5, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 5, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 5

Offset

1,1

Links

Table of n, a(n) for n=1..57.

C. Tondering, The Calendar FAQ

Index entries for sequences related to calendars

Formula

G.f. 20/(1-x)-15*x^19/(1-x^19).

Crossrefs

Cf. A081244.

Sequence in context: A217517 A332561 A278831 * A010859 A291522 A303642

Adjacent sequences: A081242 A081243 A081244 * A081246 A081247 A081248

Keyword

nonn

Author

Ralf Stephan, Mar 12 2003

Status

approved