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A095138 Indices of primes in A095137(n). 0
1, 3, 4, 5, 6, 7, 17, 22, 25, 29, 34, 40, 58, 78, 99, 146, 249, 554, 767, 963 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..20.

MATHEMATICA

f[n_] := Abs[ Product[ Prime[i], {i, 2, n, 2}] + Product[ Prime[i], {i, 1, n, 2}]]; f[1] = 2; Do[ If[ PrimeQ[ f[n]], Print[n]], {n, 1000}]

CROSSREFS

Cf. A095137.

Sequence in context: A078305 A235324 A072599 * A026475 A101747 A134338

Adjacent sequences:  A095135 A095136 A095137 * A095139 A095140 A095141

KEYWORD

nonn

AUTHOR

Robert G. Wilson v, May 28 2004

STATUS

approved

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Last modified December 11 01:07 EST 2019. Contains 329910 sequences. (Running on oeis4.)