id:A087192 - OEIS Search Results

Search: id:A087192

Displaying 1-1 of 1 results found.

page 1

a(n) = ceiling[a(n-1)*4/3] with a(1) = 1.

+0
2

1, 2, 3, 4, 6, 8, 11, 15, 20, 27, 36, 48, 64, 86, 115, 154, 206, 275, 367, 490, 654, 872, 1163, 1551, 2068, 2758, 3678, 4904, 6539, 8719, 11626, 15502, 20670, 27560, 36747, 48996, 65328, 87104, 116139, 154852, 206470, 275294, 367059, 489412, 652550 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`Partial sums of A072493. Also indices of records in A087165: A087165(a(n))=n.`
	CROSSREFS	`Cf. A072493, A087165.` `Sequence in context: A036001 A027336 A023434 this_sequence A046935 A095814 A006683` `Adjacent sequences: A087189 A087190 A087191 this_sequence A087193 A087194 A087195`
	KEYWORD	`nonn`
	AUTHOR	`Paul D. Hanna (pauldhanna(AT)juno.com), Aug 24 2003`

page 1

Search completed in 0.002 seconds

Last modified December 5 23:38 EST 2009. Contains 170428 sequences.

AT&T Labs Research