A178606 - OEIS

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A178606

Smallest prime > n!! (double factorial of n).

2, 3, 5, 11, 17, 53, 107, 389, 947, 3847, 10399, 46091, 135151, 645131, 2027033, 10321937, 34459429, 185794579, 654729139, 3715891217, 13749310577, 81749606417, 316234143227, 1961990553613, 7905853580633, 51011754393671

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..26.

MATHEMATICA

PrimeNext[n_]:=Module[{k}, k=n+1; While[ !PrimeQ[k], k++ ]; k]; Table[PrimeNext[n!! ], {n, 40}]

CROSSREFS

Cf. A006990, A037151.

Sequence in context: A077497 A237995 A333081 * A097048 A286268 A359630

Adjacent sequences: A178603 A178604 A178605 * A178607 A178608 A178609

KEYWORD

nonn

AUTHOR

Vladimir Joseph Stephan Orlovsky, May 30 2010

STATUS

approved