id:A068799 - OEIS Search Results

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Ulam numbers such that n/2 is also an Ulam number.

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2

2, 4, 6, 8, 16, 26, 36, 72, 106, 114, 138, 412, 546, 800, 1966, 2616, 5162, 6410, 8236, 27062, 29784, 177104, 278256, 342486, 556126, 664364, 1388708, 6833546, 8622762, 9734048 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Cf. A002858, A068791.` `Sequence in context: A070034 A064408 A100685 this_sequence A100778 A122408 A100055` `Adjacent sequences: A068796 A068797 A068798 this_sequence A068800 A068801 A068802`
	KEYWORD	`easy,nonn`
	AUTHOR	`Naohiro Nomoto (n_nomoto(AT)yabumi.com), Mar 29 2002`
	EXTENSIONS	`More terms from Jud McCranie (j.mccranie(AT)comcast.net), Feb 12 2003`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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