A107412 Numbers n such that (n + prime(n)) and (n+1 + prime(n+1)) are divisible by 9.

94, 220, 241, 367, 379, 400, 421, 454, 538, 589, 640, 712, 736, 853, 880, 976, 1000, 1084, 1111, 1273, 1291, 1333, 1369, 1459, 1489, 1564, 1597, 1729, 1798, 1831, 1912, 1984, 2035, 2113, 2140, 2203, 2293, 2353, 2377, 2530, 2587, 2716, 2728, 2833, 2941

Offset

1,1

Links

Table of n, a(n) for n=1..45.

Mathematica

Select[Range[5000], Mod[Prime[ # ]+#, 9]+Mod[Prime[ #+1]+#+1, 9]==0&]

Crossrefs

Sequence in context: A044807 A304609 A116109 * A115996 A188185 A189811

Adjacent sequences: A107409 A107410 A107411 * A107413 A107414 A107415

Keyword

easy,nonn

Author

Zak Seidov, Jun 10 2005

Status

approved