login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A045617 Smallest a(n) so that the first digits right of the decimal point in sqrt(a(n)) are the digits of n. 0
10, 5, 11, 2, 21, 7, 3, 8, 26, 199, 83, 17, 124, 51, 173, 10, 201, 67, 27, 149, 52, 126, 5, 18, 541, 127, 86, 53, 28, 69, 11, 40, 336, 54, 19, 70, 179, 29, 108, 41, 2, 71, 89, 6, 181, 12, 20, 42, 182, 1407, 381, 157, 91, 57, 43, 31, 134, 21, 92, 13, 58, 214, 44, 7, 32, 75 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..66.

EXAMPLE

a(12)=17 since sqrt(17) = 4.1231..., "12" appears to the right of the decimal point, and 17 is the smallest such number.

CROSSREFS

Sequence in context: A296420 A078267 A083950 * A158486 A280154 A040093

Adjacent sequences:  A045614 A045615 A045616 * A045618 A045619 A045620

KEYWORD

base,nonn

AUTHOR

Erich Friedman

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 | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified February 21 14:40 EST 2018. Contains 299414 sequences. (Running on oeis4.)