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A187750
Recursively adding to a sum beginning with 1 the product of the smallest k primes not dividing the predecessor yields a prime for these values of k.
1
1, 2, 3, 6, 8, 10, 11, 18, 20, 32, 50, 110, 153, 507, 727, 900, 982, 1489, 1737, 1974, 3085
OFFSET
1,2
COMMENTS
See A209296 for a fuller description, a program and examples.
a(21)=3085 refers to a 12207-digit prime.
CROSSREFS
Sequence in context: A047403 A286051 A093193 * A089422 A316571 A165780
KEYWORD
nonn
AUTHOR
James G. Merickel, Jan 03 2013
STATUS
approved