|
Search: id:A098865
|
|
|
| A098865 |
|
Primes of the form prime(n) + prime(n+1) - prime(n+2). |
|
+0
2
|
|
| 5, 7, 11, 13, 23, 37, 41, 53, 73, 97, 101, 103, 109, 127, 137, 157, 179, 191, 223, 229, 251, 263, 269, 271, 307, 311, 353, 373, 389, 409, 419, 433, 457, 479, 487, 491, 503, 541, 563, 571, 593, 641, 647, 673, 683, 691, 701, 757, 809, 821, 853, 859, 863, 877
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
COMMENT
|
Many primes of this form arise in several different ways, e.g. 13, 37, 223, 1087, 1423, 1483, 1867, ..., . 13 = 17+19=23 = 19+23-29.
|
|
MATHEMATICA
|
Union[ Select[ Table[Prime[n] + Prime[n + 1] - Prime[n + 2], {n, 155}], PrimeQ[ # ] &]]
|
|
CROSSREFS
|
Cf. A098761.
Sequence in context: A045439 A093078 A050541 this_sequence A022885 A135774 A155053
Adjacent sequences: A098862 A098863 A098864 this_sequence A098866 A098867 A098868
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Robert G. Wilson v (rgwv(AT)rgwv.com), Nov 04 2004
|
|
|
Search completed in 0.002 seconds
|
