id:A110133 - OEIS Search Results

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Numbers which are the sides that belong to only one primitive Pythagorean triangle.

+0
2

3, 4, 7, 8, 9, 11, 16, 19, 23, 27, 31, 32, 43, 47, 49, 59, 64, 67, 71, 79, 81, 83, 103, 107, 121, 127, 128, 131, 139, 151, 163, 167, 179, 191, 199, 211, 223, 227, 239, 243, 251, 256, 263, 271, 283, 307, 311, 331, 343, 347, 359, 361, 367, 379, 383, 419, 431, 439 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Powers of 2 starting with 2^2=4 and powers of primes of form 4k+3; none is a hypotenuse. (Chandler)`
	CROSSREFS	`Cf. A024357, A024363, A110134.` `Sequence in context: A120515 A047545 A105941 this_sequence A100452 A004201 A109054` `Adjacent sequences: A110130 A110131 A110132 this_sequence A110134 A110135 A110136`
	KEYWORD	`nonn`
	AUTHOR	`Lekraj Beedassy (blekraj(AT)yahoo.com), Jul 13 2005`
	EXTENSIONS	`Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Jul 21 2005`

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

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