login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A087562
Primes such that the next n successive differences are identical.
0
2, 3, 5, 7, 19, 31, 43, 103, 163, 223, 283, 4423, 8563, 12703, 16843, 20983, 68443, 115903, 163363, 210823, 258283, 305743
OFFSET
1,1
COMMENTS
The sequence of successive differences is (1),(2,2),(12,12,12),(60,60,60,60),... Conjecture: Sequence is infinite. The successive differences == 0 (mod 30) for n > 6.
CROSSREFS
Sequence in context: A068803 A184902 A048419 * A375095 A154525 A288717
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Sep 13 2003
EXTENSIONS
More terms from Sascha Kurz, Sep 22 2003
STATUS
approved