id:A136409 - OEIS Search Results

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a(n) = floor(n*log_3 2).

+0
1

0, 0, 1, 1, 2, 3, 3, 4, 5, 5, 6, 6, 7, 8, 8, 9, 10, 10, 11, 11, 12, 13, 13, 14, 15, 15, 16, 17, 17, 18, 18, 19, 20, 20, 21, 22, 22, 23, 23, 24, 25, 25, 26, 27, 27, 28, 29, 29, 30, 30, 31, 32, 32, 33, 34, 34, 35, 35, 36, 37, 37, 38, 39, 39, 40, 41, 41, 42, 42, 43, 44, 44, 45, 46, 46 (list; graph; listen)

	OFFSET	`0,5`
	REFERENCES	`Titu Andreescu and Dorin Andrica : On a class of sums involving the floor function, Mathematical Reflections 3, 2006. http://reflections.awesomemath.org/2006_3/2006_3_ceilingsums.pdf` `H. W. Gould and Jocelyn Quaintance : FLOOR AND ROOF FUNCTION ANALOGS OF THE BELL NUMBERS, in INTEGERS: ELECTRONIC JOURNAL OF COMBINATORIAL NUMBER THEORY 7 (2007), #A58 http://www.emis.de/journals/INTEGERS/papers/h58/h58.pdf`
	CROSSREFS	`Adjacent sequences: A136406 A136407 A136408 this_sequence A136410 A136411 A136412` `Sequence in context: A123387 A123070 A057361 this_sequence A039729 A074065 A024811`
	KEYWORD	`easy,nonn`
	AUTHOR	`Ctibor O. Zizka (ctibor.zizka(AT)seznam.cz), Mar 31 2008`

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Last modified January 7 17:35 EST 2009. Contains 152824 sequences.

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