|
Search: id:A108604
|
|
|
| A108604 |
|
Squares of the form prime(k)*prime(k+1) + 2*prime(k+1). |
|
+0
5
|
|
| 25, 49, 169, 361, 961, 1849, 3721, 5329, 10609, 11881, 19321, 22801, 32761, 37249, 39601, 52441, 58081, 73441, 80089, 97969, 121801, 177241, 187489, 214369, 273529, 326041, 361201, 383161, 413449, 436921, 657721, 677329, 687241, 737881, 779689
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
COMMENT
|
Squares of greater of twin primes.
|
|
MAPLE
|
ZL:=[]:for p from 1 to 950 do if (isprime(p) and isprime(p+2)) then ZL:=[op(ZL), ((p+2)^2)]; fi; od; print(ZL); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Mar 08 2007
|
|
CROSSREFS
|
Cf. A006512, A108570.
Sequence in context: A046949 A137659 A020325 this_sequence A046950 A056981 A132585
Adjacent sequences: A108601 A108602 A108603 this_sequence A108605 A108606 A108607
|
|
KEYWORD
|
easy,nonn
|
|
AUTHOR
|
Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Jul 06 2005
|
|
EXTENSIONS
|
Corrected and extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Jul 10 2005
|
|
|
Search completed in 0.002 seconds
|
