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1,1

Table of n, a(n) for n=1..44.

3 * 5 - 2 = 13, a prime, so 3 is a term of the sequence.

Prime[ Select[ Range[1000], PrimeQ[ Prime[ # ]Prime[ # + 1] - 2] &]]

Sequence in context: A278877 A203682 A139964 * A281799 A163320 A108159

Adjacent sequences: A048794 A048795 A048796 * A048798 A048799 A048800

nonn

Joseph L. Pe, Jan 15 2002

approved