A173177 a(n) = (3 * A034936(n) + 1) / 2.

2, 5, 8, 14, 17, 20, 29, 32, 35, 38, 47, 50, 53, 62, 68, 74, 77, 80, 89, 95, 98, 104, 110, 113, 119, 134, 137, 140, 152, 155, 164, 167, 173, 182, 185, 188, 197, 203, 209, 215, 218, 227, 230, 242, 248, 260, 269, 272, 284, 287, 299

Offset

1,1

Links

Table of n, a(n) for n=1..51.

Chris K. Caldwell, FAQ: Are all primes (past 2 and 3) of the forms 6n+1 and 6n-1?

Mathematica

Select[Range[300], PrimeQ[2#+3]&&Divisible[2#-1, 3]&] (* Harvey P. Dale, Aug 25 2016 *)

Crossrefs

Cf. A067076, A034936, A002476, A024899.

Sequence in context: A363734 A202273 A210702 * A191109 A190105 A295400

Adjacent sequences: A173174 A173175 A173176 * A173178 A173179 A173180

Keyword

nonn

Author

Eric Desbiaux, Feb 11 2010

Extensions

More terms from Harvey P. Dale, Aug 25 2016

Edited by Sean A. Irvine, Apr 19 2026

Status

approved