A032517 Sum of the integer part of 9/2-th roots of integers less than n.

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 100, 102, 104, 106, 108, 110, 112, 114

Offset

0,3

Links

Table of n, a(n) for n=0..68.

Mathematica

Accumulate[Table[IntegerPart[n^(2/9)], {n, 0, 70}]] (* Harvey P. Dale, May 15 2014 *)

Crossrefs

Sequence in context: A263314 A267086 A362623 * A246087 A246094 A272269

Adjacent sequences: A032514 A032515 A032516 * A032518 A032519 A032520

Keyword

nonn

Author

Michel Tixier (tixier(AT)dyadel.net)

Status

approved