|
Search: id:A036509
|
|
|
| A036509 |
|
Smallest square containing exactly n 2's. |
|
+0
3
|
|
| 25, 225, 22201, 2002225, 21022225, 212722225, 11222224225, 132922222225, 12222722202201, 22222220262025, 1222522204222225, 22292262226224225, 2222262262926922225, 22226224222205212225, 2222222222222640225, 22222262422274682222225, 1222212242622225512222224, 2220022223125222222222201
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
FORMULA
|
a(n) = A048347(n)^2 [From Max Alekseyev (maxale(AT)gmail.com), Oct 20 2008]
|
|
CROSSREFS
|
Cf. A048347. [From Jon E. Schoenfield (jonscho(AT)hiwaay.net), Jan 24 2009]
Sequence in context: A058426 A048384 A030485 this_sequence A034981 A053919 A053927
Adjacent sequences: A036506 A036507 A036508 this_sequence A036510 A036511 A036512
|
|
KEYWORD
|
nonn,base
|
|
AUTHOR
|
David W. Wilson (davidwwilson(AT)comcast.net)
|
|
EXTENSIONS
|
a(13) = 2222262262926922225 from Max Alekseyev (maxale(AT)gmail.com), Oct 20 2008
a(14) = 22226224222205212225 from Max Alekseyev (maxale(AT)gmail.com), Nov 10 2008
a(15) = 2222222222222640225 from Max Alekseyev (maxale(AT)gmail.com), Dec 05 2008
a(16) = 22222262422274682222225, a(17) = 1222212242622225512222224 and a(18) = 2220022223125222222222201 from Jon E. Schoenfield (jonscho(AT)hiwaay.net), Dec 25 2008
|
|
|
Search completed in 0.002 seconds
|
