login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A137262 Floor of sum of the first 10^n square roots. 0
1, 22, 671, 21097, 666716, 21082008, 666667166, 21081852648, 666666671666, 21081851083600 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..9.

EXAMPLE

The first 10^0 square roots is 1. The sum of the first 10^1 square roots is 22.468278186... . So 22 is the second entry in the sequence.

PROG

(PARI) /* For this sequence, p = 2 */ g2(n, p) = for(j=0, n, s=0; for(x=0, 10^j, s+=x^(1/p)); print1(floor(s)", "))

CROSSREFS

Sequence in context: A218478 A223624 A230836 * A300137 A025760 A229124

Adjacent sequences:  A137259 A137260 A137261 * A137263 A137264 A137265

KEYWORD

nonn

AUTHOR

Cino Hilliard, Mar 12 2008

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 20 02:15 EDT 2021. Contains 348099 sequences. (Running on oeis4.)