|
| |
|
|
A114460
|
|
Integer part of sqrt(n)+sqrt(n+1)+sqrt(n+2)+sqrt(n+3)+sqrt(n+4).
|
|
2
| |
|
|
8, 9, 11, 12, 13, 14, 14, 15, 16, 17, 18, 18, 19, 19, 20, 21, 21, 22, 22, 23, 23, 24, 24, 25, 25, 26, 26, 27, 27, 28, 28, 29, 29, 29, 30, 30, 31, 31, 32, 32, 32, 33, 33, 33, 34, 34, 34, 35, 35, 36, 36, 36, 37, 37, 37, 38, 38, 38, 39, 39, 39, 39, 40, 40, 40, 41, 41, 41, 42, 42
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
REFERENCES
| X. Zhan, Formulae for sums of consecutive square roots, The Math. Intelligencer, 27, No. 4, 2005, 4-5.
|
|
|
FORMULA
| a(n)=floor(sqrt(25n+49).
|
|
|
MAPLE
| seq(floor(sqrt(25*n+49)), n=1..90);
|
|
|
CROSSREFS
| Cf. A000267, A114458, A114459.
Sequence in context: A048000 A048081 A109936 * A120201 A188056 A128234
Adjacent sequences: A114457 A114458 A114459 * A114461 A114462 A114463
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Emeric Deutsch (deutsch(AT)duke.poly.edu), Nov 28 2005
|
| |
|
|
