A081245 - OEIS

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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 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	LINKS	`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: A172164 A205545 A087708 * A010859 A040381 A022354` `Adjacent sequences: A081242 A081243 A081244 * A081246 A081247 A081248`
	KEYWORD	`nonn`
	AUTHOR	`Ralf Stephan (ralf(AT)ark.in-berlin.de), Mar 12 2003`

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Last modified February 16 17:48 EST 2012. Contains 205939 sequences.