id:A079226 - OEIS Search Results

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Number of Catalan objects fixed by five-fold application of the gatomorphisms A057511/A057512 (deep rotation of general parenthesizations/plane trees).

+0
5

1, 1, 2, 3, 5, 6, 15, 36, 108, 301, 814, 2080, 5223, 12919, 32557, 83943, 222591, 600252, 1632814, 4440240, 12043224, 32572225, 88081208, 238722759, 649725756, 1776546687, 4877740703, 13432630929, 37063472432, 102389547753 (list; graph; listen)

	OFFSET	`0,3`
	FORMULA	`a(n) = A079216(n, 5)`
	MAPLE	`A079226 := n -> A079216bi(n, 5);`
	CROSSREFS	`The fifth row of A079216. The leftmost edge of the triangle A079221 and also its row sums shifted by one. Occurs in A073202 as row 9259542121261050623. Cf. A057546, A079223-A079227.` `Sequence in context: A057704 A078203 A131825 this_sequence A055686 A126250 A109628` `Adjacent sequences: A079223 A079224 A079225 this_sequence A079227 A079228 A079229`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen (my_firstname.my_surname(AT)iki.fi) Jan 03 2002`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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