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A176098
a(n) = prime(n)*(nonnegative noncomposite(n)).
0
0, 3, 10, 21, 55, 91, 187, 247, 391, 551, 713, 1073, 1271, 1591, 1927, 2279, 2773, 3233, 3953, 4331, 4891, 5609, 6059, 7031, 8051, 8989, 9991, 10807, 11227, 12091, 13843, 14803, 17399, 18209, 20413, 20989, 23393, 24613, 26219, 28199, 29893, 31313
OFFSET
1,2
FORMULA
a(n) = A000040(n)*A158611(n).
EXAMPLE
a(5) = prime(5)*(nonnegative noncomposite(5)) = 11*5 = 55.
CROSSREFS
KEYWORD
nonn,uned
AUTHOR
EXTENSIONS
Entries checked by R. J. Mathar, Apr 16 2010
STATUS
approved