id:A050138 - OEIS Search Results

Search: id:A050138

Displaying 1-1 of 1 results found.

page 1

a(n)=[ a(n-1)/2 ] if this is not among 0,a(1),...,a(n-1), else a(n)=3*n.

+0
1

2, 6, 3, 1, 15, 7, 21, 10, 5, 30, 33, 16, 8, 4, 45, 22, 11, 54, 27, 13, 63, 31, 69, 34, 17, 78, 39, 19, 9, 90, 93, 46, 23, 102, 51, 25, 12, 114, 57, 28, 14, 126, 129, 64, 32, 138, 141, 70, 35, 150, 75, 37, 18, 162, 81, 40, 20, 174, 87, 43 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Does this sequence contain every positive integer exactly once?`
	CROSSREFS	`Sequence in context: A021042 A136694 A164104 this_sequence A108443 A011042 A136758` `Adjacent sequences: A050135 A050136 A050137 this_sequence A050139 A050140 A050141`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

page 1

Search completed in 0.002 seconds

Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

AT&T Labs Research