1,2

Table of n, a(n) for n=1..102.

Eric Weisstein's World of Mathematics, Twin Primes Constant

Eric Weisstein's World of Mathematics, Prime Constellation

A114907 = 2*A005597 (in the sense of the corresponding decimal numbers).

2*C2 = 1.320323631693739147855624220...

Cf. A005597.

Sequence in context: A260308 A079714 A190710 * A231132 A131732 A198826

Adjacent sequences: A114904 A114905 A114906 * A114908 A114909 A114910

nonn,cons

Eric W. Weisstein, Jan 06 2006

Corrected offset and edited by M. F. Hasler, Dec 09 2008

approved