A051440 a(n) = prime(2^n) + 1.

3, 4, 8, 20, 54, 132, 312, 720, 1620, 3672, 8162, 17864, 38874, 84018, 180504, 386094, 821642, 1742538, 3681132, 7754078, 16290048, 34136030, 71378570, 148948140, 310248242, 645155198, 1339484198, 2777105130, 5750079048

Offset

0,1

Links

Table of n, a(n) for n=0..28.

Crossrefs

Equals A033844 + 1. Cf. A000040, A018249, A051438, A051439.

Sequence in context: A065034 A332707 A129285 * A101932 A204521 A073313

Adjacent sequences: A051437 A051438 A051439 * A051441 A051442 A051443

Keyword

nonn

Author

N. J. A. Sloane

Status

approved