A174058 Round(Sum_{k=1..n} {sqrt(k)}).

0, 1, 2, 4, 6, 8, 11, 13, 16, 19, 22, 26, 29, 33, 37, 40, 44, 49, 53, 57, 62, 66, 71, 76, 81, 86, 91, 96, 101, 107, 112, 118, 123, 129, 135, 141, 147, 153, 159, 165, 172, 178, 184, 191, 198, 204, 211, 218, 225, 232, 239, 246, 253, 261, 268, 275, 283, 290, 298, 306

Offset

1,3

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Mathematica

s=0; lst={}; Do[s+=Sqrt[n]; AppendTo[lst, Round[s]], {n, 0, 6!}]; lst
Accumulate[Sqrt[Range[0, 60]]]//Round (* Harvey P. Dale, Oct 16 2018 *)

Crossrefs

Cf. A016040, A025224

Sequence in context: A081527 A070978 A027919 * A186382 A331417 A077473

Adjacent sequences: A174055 A174056 A174057 * A174059 A174060 A174061

Keyword

nonn

Author

Vladimir Joseph Stephan Orlovsky, Mar 06 2010

Status

approved