Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
integer sequence
|
| gptkbp:author |
gptkb:N._J._A._Sloane
|
| gptkbp:describedBy |
https://oeis.org/A007638
|
| gptkbp:first_terms |
2
101 17 197 257 37 401 5 577 677 |
| gptkbp:hasKeyword |
easy
nice nonn |
| https://www.w3.org/2000/01/rdf-schema#label |
A007638
|
| gptkbp:maintainedBy |
gptkb:OEIS_Foundation
|
| gptkbp:name |
gptkb:Primes_of_the_form_n^2_+_1
|
| gptkbp:OEIS |
gptkb:A007638
|
| gptkbp:sequence |
a(n) = n^2 + 1, where a(n) is prime
|
| gptkbp:bfsParent |
gptkb:A000081
|
| gptkbp:bfsLayer |
8
|