A175281 Numbers k such that 6k+1 is a term in A005471.

1, 2, 3, 6, 13, 16, 23, 27, 52, 58, 101, 118, 146, 156, 177, 188, 248, 261, 331, 426, 443, 552, 591, 716, 853, 926, 1248, 1336, 1427, 1521, 1553, 1651, 1752, 1963, 2148, 2502, 2543, 2753, 2883, 3016, 3061, 3152, 3338, 3433, 3481, 4083, 4241, 4511, 4566, 4846

Offset

1,2

Links

Table of n, a(n) for n=1..50.

Example

k=1: 6k+1 = 7 = A005471(1).
k=2: 6k+1 = 13 = A005471(2).
k=3: 6k+1 = 19 = A005471(3).
k=6: 6k+1 = 37 = A005471(4).

Crossrefs

Cf. A005471 (primes of form k^2 + 3*k + 9).

Sequence in context: A295324 A054049 A276690 * A364606 A244790 A111503

Adjacent sequences: A175278 A175279 A175280 * A175282 A175283 A175284

Keyword

nonn

Author

Zak Seidov, Mar 20 2010

Status

approved