id:A061852 - OEIS Search Results

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Digital representation of m contains only either 1's or 2's (but not both 1's and 2's) and 0's, is palindromic and contains no singleton 2's, 1's or 0's.

+0
2

11, 22, 111, 222, 1111, 2222, 11111, 22222, 110011, 111111, 220022, 222222, 1100011, 1111111, 2200022, 2222222, 11000011, 11100111, 11111111, 22000022, 22200222, 22222222, 110000011, 111000111, 111111111, 220000022, 222000222 (list; graph; listen)

	OFFSET	`0,1`
	FORMULA	`a(n) =A008919(n)/99.`
	CROSSREFS	`Union of A061851 and twice A061851. Number of terms with k digits is A006355([n/2]+1).` `Sequence in context: A143964 A034708 A091784 this_sequence A083511 A067894 A094620` `Adjacent sequences: A061849 A061850 A061851 this_sequence A061853 A061854 A061855`
	KEYWORD	`base,nonn`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), May 10 2001`

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.

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