|
| |
|
|
A087351
|
|
Smallest noncomposite number which is the concatenation of n successive squares, or 0 if no such number exists.
|
|
1
| |
|
|
1, 6481, 149, 14400146411488415129, 2464924964252812560025921, 4916253649, 496481100121144169, 36003721384439694096422543564489, 0, 47524479614840048841492844972950176506255107651529
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 2,2
|
|
|
COMMENTS
| a(9k) = 0. - David Wasserman (wasserma(AT)spawar.navy.mil), May 10 2005
|
|
|
EXAMPLE
| a(3) = 149 is the concatenation of three squares 1,4,9.
|
|
|
CROSSREFS
| Sequence in context: A175756 A190012 * A104343 A104242 A031842 A028544
Adjacent sequences: A087348 A087349 A087350 * A087352 A087353 A087354
|
|
|
KEYWORD
| base,nonn
|
|
|
AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Sep 08 2003
|
|
|
EXTENSIONS
| More terms from David Wasserman (wasserma(AT)spawar.navy.mil), May 10 2005
|
| |
|
|
