This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A080819 Row sums from triangle in A080818. 4
 1, 4, 9, 16, 16, 25, 36, 36, 49, 64, 81, 81, 100, 121, 121, 144, 169, 196, 196, 225, 256, 256, 289, 324, 361, 361, 400, 441, 441, 484, 529, 529, 576, 625, 676, 676, 729, 784, 784, 841, 900, 961, 961, 1024, 1089, 1089, 1156, 1225, 1225, 1296, 1369, 1444, 1444 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS FORMULA a(n) = (ceiling(sqrt(n*(n+1)/2)))^2. - C. Ronaldo (aga_new_ac(AT)hotmail.com), Dec 19 2004 MAPLE seq((ceil(sqrt(n*(n+1)/2)))^2, n=1..60); # C. Ronaldo CROSSREFS Cf. A080817, A080818, A080820. Sequence in context: A313307 A313308 A248928 * A313309 A313310 A233457 Adjacent sequences:  A080816 A080817 A080818 * A080820 A080821 A080822 KEYWORD nonn AUTHOR Amarnath Murthy, Mar 21 2003 EXTENSIONS More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Dec 19 2004 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified September 15 16:44 EDT 2019. Contains 327078 sequences. (Running on oeis4.)