A080819 Row sums from triangle in A080818.
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
Offset: 1
Keywords
Programs
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Maple
seq((ceil(sqrt(n*(n+1)/2)))^2,n=1..60); # C. Ronaldo
Formula
a(n) = (ceiling(sqrt(n*(n+1)/2)))^2. - C. Ronaldo (aga_new_ac(AT)hotmail.com), Dec 19 2004
Extensions
More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Dec 19 2004