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A103787
a(n) = number of k's that make primorial P(n)/
A019565
(k)+
A019565
(k) prime,
A019565
(k)^2<=P(n).
+0
2
1, 2, 4, 8, 12, 21, 40, 70, 117, 263, 450, 703, 1385, 2423, 5501, 8617, 18249, 29352, 61970, 103568, 209309, 404977
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified December 3 22:15 EST 2009. Contains 170310 sequences.
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