id:A079227 - OEIS Search Results

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

+0
8

1, 1, 2, 5, 14, 38, 111, 332, 1029, 3232, 10374, 33679, 110722, 367252, 1228558, 4138120, 14025473, 47792389, 163643066, 562722427, 1942548520, 6729230281, 23385132060, 81503084084, 284815902739, 997741303308, 3503112067273 (list; graph; listen)

	OFFSET	`0,3`
	FORMULA	`a(n) = A079216(n, 6)`
	MAPLE	`A079227 := n -> A079216bi(n, 6);`
	CROSSREFS	`The sixth row of A079216. The leftmost edge of the triangle A079222 and also its row sums shifted by one. Occurs in A073202 as row 170143779648513184865579715159814351615. Cf. A057546, A079223-A079226.` `Sequence in context: A047086 A006574 A053419 this_sequence A148314 A001011 A148315` `Adjacent sequences: A079224 A079225 A079226 this_sequence A079228 A079229 A079230`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen (my_firstname.my_surname(AT)iki.fi) Jan 03 2002`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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