A127143 Value of n where the first match occurs in A127141.

0, 2, 5, 6, 8, 14, 20, 21, 27, 29, 30, 38, 39, 45, 47, 48, 53, 56, 59, 62, 63, 68, 72, 77, 92, 96, 101, 104, 107, 119, 123, 126, 128, 137, 140, 144, 158, 164, 167, 176, 177, 203, 218, 222, 236, 246, 249, 254, 276, 279, 296, 314, 318, 321, 336, 348, 356, 359, 369, 374

Offset

0,2

Comments

Is 2*a(n)+1 always prime?

Links

Table of n, a(n) for n=0..59.

Crossrefs

Cf. A127141, A127142.

Sequence in context: A242422 A019989 A045547 * A242665 A079256 A191204

Adjacent sequences: A127140 A127141 A127142 * A127144 A127145 A127146

Keyword

nonn

Author

Bryan Jacobs (bryanjj(AT)gmail.com), Jan 06 2007

Status

approved