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

 

Logo

Please make a donation to keep the OEIS running. We are now in our 56th year. In the past year we added 10000 new sequences and reached almost 9000 citations (which often say "discovered thanks to the OEIS").
Other ways to donate

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A036510 Smallest square containing exactly n 3's. 4
36, 3136, 343396, 1336336, 133333209, 3333330225, 313341333361, 1433333333961, 43333334833636, 1333333832344336, 123133353336333376, 3233633330337433321, 3333433332336331536, 2333303333385023333376, 133333533332333233936 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(20) > 10^28. - Giovanni Resta, Jul 27 2018

LINKS

Giovanni Resta, Table of n, a(n) for n = 1..19 (first 17 terms from Jon E. Schoenfield)

MATHEMATICA

a[n_] := Block[{k=1}, While[DigitCount[k^2, 10, 3] != n, k++]; k^2]; Array[a, 6] (* Giovanni Resta, Jul 27 2018 *)

CROSSREFS

Cf. A048348. - Jon E. Schoenfield, Jan 24 2009

Sequence in context: A268365 A004706 A061844 * A232669 A338076 A303339

Adjacent sequences:  A036507 A036508 A036509 * A036511 A036512 A036513

KEYWORD

nonn,base

AUTHOR

David W. Wilson

EXTENSIONS

More terms from Jon E. Schoenfield, Jan 14 2009

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 November 23 21:51 EST 2020. Contains 338603 sequences. (Running on oeis4.)