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A068713 Values of n for which 10*2^n + 3 is a prime (giving terms of A068712). 1
0, 1, 2, 3, 4, 6, 7, 10, 11, 17, 19, 25, 27, 31, 33, 42, 43, 49, 51, 57, 64, 65, 106, 139, 196, 273, 279, 379, 392, 505, 663, 737, 874, 943, 1015, 1546, 1547, 1686, 3937, 4065, 5164, 6257, 6401, 7066, 7412, 7966, 9440, 9921, 11105, 15076, 15547, 22646, 24779 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..52.

MATHEMATICA

Select[Range[0, 4100], PrimeQ[10*2^#+3] &] (* Jayanta Basu, May 22 2013 *)

CROSSREFS

Cf. A068712.

Sequence in context: A134519 A101505 A259625 * A218549 A099523 A049806

Adjacent sequences:  A068710 A068711 A068712 * A068714 A068715 A068716

KEYWORD

nonn

AUTHOR

Amarnath Murthy, Mar 05 2002

EXTENSIONS

More terms from Sascha Kurz, Mar 17 2002

Extended by Charles R Greathouse IV, Apr 24 2010

STATUS

approved

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Last modified September 24 19:27 EDT 2021. Contains 347651 sequences. (Running on oeis4.)