|
| |
|
|
A088680
|
|
Prime (2n+1) - prime (2n).
|
|
5
|
|
|
|
2, 4, 4, 4, 2, 4, 4, 6, 6, 2, 4, 8, 2, 2, 14, 6, 10, 6, 4, 6, 10, 4, 12, 4, 4, 2, 6, 6, 6, 2, 14, 2, 14, 10, 4, 8, 6, 6, 4, 10, 10, 6, 6, 4, 4, 8, 8, 6, 2, 6, 6, 2, 10, 6, 6, 4, 12, 2, 6, 2, 4, 8, 8, 8, 6, 8, 4, 4, 10, 2, 2, 2, 14, 2, 14, 2, 20, 8, 8, 6, 14, 6, 8, 12, 6, 10, 6, 2, 2, 18, 2, 6, 8, 6, 2
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
0,1
|
|
|
COMMENTS
|
Partition the primes into pairs starting with 3: (3, 5), (7, 11), (13, 17), (19, 23), (29, 31), (37, 41), (43, 47). Sequence gives differences between pairs.
A bisection of A001223.
|
|
|
LINKS
|
Table of n, a(n) for n=0..94.
|
|
|
MATHEMATICA
|
Table[Prime[2n + 1] - Prime[2n], {n, 100}] (from Robert G. Wilson v May 29 2004)
|
|
|
CROSSREFS
|
Cf. A078584, A088682, A088683, A088684, A078584.
Sequence in context: A097541 A151819 A079560 * A143194 A036264 A105192
Adjacent sequences: A088677 A088678 A088679 * A088681 A088682 A088683
|
|
|
KEYWORD
|
base,easy,nonn
|
|
|
AUTHOR
|
Zak Seidov, Oct 05 2003
|
|
|
EXTENSIONS
|
Edited by Robert G. Wilson v, May 29 2004
|
|
|
STATUS
|
approved
|
| |
|
|
