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A141792
Primes of the form A018252(n)-n, where A018252(n)=n-th nonprime.
0
2, 3, 5, 7, 11, 11, 11, 11, 11, 13, 17, 19, 19, 19, 23, 23, 23, 23, 23, 29, 29, 29, 31, 31, 31, 37, 37, 37, 37, 37, 41, 43, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 53, 53, 53, 53, 53, 53, 53, 53, 53, 59, 59, 59, 61, 61, 61, 61, 61, 61, 61, 61, 61, 67, 67, 67, 67, 67, 71, 71, 71, 71
OFFSET
1,1
EXAMPLE
n=2: r(2)-2=4-2=2=a(1).
n=3: r(3)-3=6-3=3=a(2).
n=7: r(7)-7=12-7=5=a(3).
n=11: r(11)-11=18-11=7=a(4).
n=21: r(21)-21=32-21=11=a(5).
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
Corrected and extended by R. J. Mathar, Sep 26 2008
STATUS
approved