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A051440 a(n) = prime(2^n) + 1. 4
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified June 5 11:52 EDT 2020. Contains 334840 sequences. (Running on oeis4.)