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

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