|
Search: id:A115432
|
|
|
| A115432 |
|
Numbers n such that the concatenation of n with n-4 gives a square. |
|
+0 12
|
|
| 65, 6653, 9605, 218413, 283720, 996005, 58446925, 99960005, 6086712229, 7385370133, 8478948853, 9999600005, 120178240093, 161171620229, 358247912200, 426843573160, 893417179213, 999996000005, 23376713203604
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
EXAMPLE
|
9605_9601 = 9801^2.
|
|
CROSSREFS
|
Cf. A030465, A102567, A115426, A115437, A115428, A115429, A115430, A115431, A115433, A115434, A115435, A115436, A115443.
Adjacent sequences: A115429 A115430 A115431 this_sequence A115433 A115434 A115435
Sequence in context: A027535 A110900 A084272 this_sequence A116104 A116121 A118707
|
|
KEYWORD
|
base,nonn
|
|
AUTHOR
|
Giovanni Resta (g.resta(AT)iit.cnr.it), Jan 25 2006
|
|
|
Search completed in 0.002 seconds
|