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A288815
Paired Jacobsthal function applied to the product of the first n primes.
1
2, 6, 18, 30, 66, 150, 192, 258, 366, 450, 570, 708, 894, 1044, 1284, 1422, 1656, 1902, 2190, 2460, 2622
OFFSET
1,1
COMMENTS
There is a conjecture about an upper bound on this sequence. Let p_n be the n-th prime. If a(n) < p_n^2 - p_n holds for n>=3 then Goldbach's conjecture and the twin prime conjecture hold as well.
LINKS
FORMULA
a(n) = 6*A072753(n) + 6, for n>=3.
CROSSREFS
Sequence in context: A351875 A197168 A373515 * A277200 A277324 A034881
KEYWORD
hard,more,nonn
AUTHOR
Mario Ziller, Jun 17 2017
STATUS
approved