id:A118013 - OEIS Search Results

Search: id:A118013

Displaying 1-1 of 1 results found.

page 1

Triangle read by rows: T(n,k) = floor(n^2/k), 1<=k<=n.

+0
9

1, 4, 2, 9, 4, 3, 16, 8, 5, 4, 25, 12, 8, 6, 5, 36, 18, 12, 9, 7, 6, 49, 24, 16, 12, 9, 8, 7, 64, 32, 21, 16, 12, 10, 9, 8, 81, 40, 27, 20, 16, 13, 11, 10, 9, 100, 50, 33, 25, 20, 16, 14, 12, 11, 10, 121, 60, 40, 30, 24, 20, 17, 15, 13, 12, 11, 144, 72, 48, 36, 28, 24, 20, 18, 16, 14 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`T(n,1) = A000290(n); T(n,n) = n;` `T(n,2) = A007590(n) for n>1;` `T(n,3) = A000212(n) for n>2;` `T(n,4) = A002620(n) for n>3;` `T(n,5) = A118015(n) for n>4;` `T(n,6) = A056827(n) for n>5;` `central terms give A008574: T(2k-1,k) = 4(k-1)+0^(k-1);` `row sums give A118014.`
	CROSSREFS	`Cf. A010766.` `Sequence in context: A076022 A064421 A051494 this_sequence A157647 A091452 A091450` `Adjacent sequences: A118010 A118011 A118012 this_sequence A118014 A118015 A118016`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Apr 10 2006`

page 1

Search completed in 0.002 seconds

Last modified December 21 10:15 EST 2009. Contains 171081 sequences.

AT&T Labs Research