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A116570
a(2*n) = prime(n+1) * prime(n+2), a(2*n-1) = prime(n+1).
1
6, 3, 15, 5, 35, 7, 77, 11, 143, 13, 221, 17, 323, 19, 437, 23, 667, 29, 899, 31, 1147, 37, 1517, 41, 1763, 43, 2021, 47, 2491, 53, 3127, 59, 3599, 61, 4087, 67, 4757, 71, 5183, 73, 5767, 79, 6557, 83, 7387, 89, 8633, 97, 9797, 101, 10403, 103, 11021, 107, 11663
OFFSET
0,1
LINKS
FORMULA
a(2*n) = prime(n+1) * prime(n+2). a(2*n-1) = prime(n+1). - Michael Somos, Jul 20 2016
CROSSREFS
Cf. A114557.
Sequence in context: A049784 A341746 A097917 * A335567 A362625 A352015
KEYWORD
nonn,less
AUTHOR
Roger L. Bagula, Mar 18 2006
EXTENSIONS
Edited, new name using Michael Somos' formula, Joerg Arndt, Sep 21 2017
STATUS
approved