|
| |
|
|
A115436
|
|
Numbers n such that the concatenation of n with n-9 gives a square.
|
|
11
| |
|
|
50, 5234, 9410, 638370, 994010, 12477933, 41829698, 99940010, 1087279650, 4492494893, 6226356365, 7765453730, 9999400010, 806057802450, 842377434050, 960398039610, 999994000010, 21338126513658, 24752544267698
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
EXAMPLE
| 638370_638361 = 798981^2.
|
|
|
CROSSREFS
| Cf. A030465, A102567, A115426, A115437, A115428, A115429, A115430, A115431, A115432, A115433, A115434, A115435, A115447.
Sequence in context: A010564 A183689 A174756 * A184555 A152258 A203097
Adjacent sequences: A115433 A115434 A115435 * A115437 A115438 A115439
|
|
|
KEYWORD
| base,nonn
|
|
|
AUTHOR
| Giovanni Resta (g.resta(AT)iit.cnr.it), Jan 25 2006
|
| |
|
|
