A083932 - OEIS

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A083932

A014486-encoding of the Catalan mountain ranges with only even-length slopes allowed.

0, 12, 204, 240, 3276, 3312, 3852, 3888, 4032, 52428, 52464, 53004, 53040, 53184, 61644, 61680, 62220, 62256, 62400, 64524, 64560, 64704, 65280, 838860, 838896, 839436, 839472, 839616, 848076, 848112, 848652, 848688, 848832, 850956, 850992 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	COMMENTS	`Subset of totally balanced binary strings (A014486) with only even runs of either bit 0 or 1 occurring. See A083933.`
	LINKS	`Index entries for encodings of plane rooted trees`
	FORMULA	`a(n) = A008585(A083931(n)), i.e. 3*A083931(n).`
	CROSSREFS	`Same sequence in binary: A083933, indices to A014486: A083934.` `Permutation of A080316 from which this differs first time at the sixth term, with a(6)=3852, while A080316(6)=4032.` `Sequence in context: A036240 A133242 A141836 * A080316 A108020 A097193` `Adjacent sequences: A083929 A083930 A083931 * A083933 A083934 A083935`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen (MyFirstname.MySurname(AT)iki.fi) May 13 2003`

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Last modified February 13 15:24 EST 2012. Contains 205519 sequences.