nextprime(n)-n.
2, 1, 1, 2, 1, 2, 1, 4, 3, 2, 1, 2, 1, 4, 3, 2, 1, 2, 1, 4, 3, 2, 1, 6, 5, 4, 3, 2, 1, 2, 1, 6, 5, 4
2 seqfan posts
Tue Dec 8 13:25:14 CET 2009 [seqfan] Re: A171228 (?)
Tue Dec 8 13:06:13 CET 2009 [seqfan] A171228 (?)
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
Links to OEIS content are included according to
The OEIS End-User License Agreement
.