id:A120486 - OEIS Search Results

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A120486

Partial sums of A000188.

+0
3

1, 2, 3, 5, 6, 7, 8, 10, 13, 14, 15, 17, 18, 19, 20, 24, 25, 28, 29, 31, 32, 33, 34, 36, 41, 42, 45, 47, 48, 49, 50, 54, 55, 56, 57, 63, 64, 65, 66, 68, 69, 70, 71, 73, 76, 77, 78, 82, 89, 94, 95, 97, 98, 101, 102, 104, 105, 106, 107, 109, 110, 111, 114, 122, 123, 124, 125, 127, 128 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`This sequence can also be described as the number of 3-term non-decreasing geometric progressions with no term exceeding n.`
	REFERENCES	`Gerry Myerson, Trifectas in Geometric Progression, Australian Mathematical Society Gazette, 2008, to appear.`
	CROSSREFS	`Cf. A000188, A132188, A132189.` `Sequence in context: A028790 A028748 A028783 this_sequence A025501 A028758 A028803` `Adjacent sequences: A120483 A120484 A120485 this_sequence A120487 A120488 A120489`
	KEYWORD	`nonn`
	AUTHOR	`Gerry Myerson (gerry(AT)ics.mq.edu.au), Nov 21 2007`

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

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