A099402 Numbers n such that the sum of the decimal portions of the square root and cube root of n is less than 1.

0, 1, 2, 4, 5, 8, 9, 10, 11, 12, 13, 16, 17, 18, 25, 28, 29, 30, 31, 32, 33, 36, 37, 38, 39, 40, 41, 42, 49, 50, 51, 52, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 100, 101, 102, 103, 104, 105, 121, 126, 127, 128, 129, 130, 131, 132

Offset

1,3

Links

Table of n, a(n) for n=1..68.

Example

18 is in the sequence because .242641+.620741=.863382, which is < 1.
19 is not in the sequence because .358899+.668402=1.027301, which is > 1.

Crossrefs

Sequence in context: A350506 A123291 A351701 * A248387 A117070 A130048

Adjacent sequences: A099399 A099400 A099401 * A099403 A099404 A099405

Keyword

easy,nonn,base

Author

Gil Broussard, Nov 17 2004

Status

approved