A122139 - OEIS

A122139

Primes from A122136 corresponding to the indices A122138.

2, 13, 19, 29, 29, 79, 47, 73, 163, 359, 5233, 20477, 811, 13859, 2203, 75997, 3331, 4457, 239087, 58061, 159097, 116041, 7487, 17929, 4547, 152657, 408787, 58313, 5563, 4783, 226199, 13729, 676763, 204641, 119293, 283979, 2210983, 7121, 433

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..39.

FORMULA

a(n) = A122136(A122138(n)).

MATHEMATICA

Select[Table[Numerator[Sum[Prime[k]^2, {k, 1, n}]/Product[Prime[k], {k, 1, n}]], {n, 1, 200}], PrimeQ[ #1]&]

CROSSREFS

Cf. A122136, A122138, A024450, A002110.

Sequence in context: A119570 A018485 A097234 * A122136 A168672 A297854

Adjacent sequences: A122136 A122137 A122138 * A122140 A122141 A122142

KEYWORD

nonn

AUTHOR

Alexander Adamchuk, Aug 21 2006

STATUS

approved