login
A173072
n-th prime minus n-th even number.
1
2, 1, 1, 1, 3, 3, 5, 5, 7, 11, 11, 15, 17, 17, 19, 23, 27, 27, 31, 33, 33, 37, 39, 43, 49, 51, 51, 53, 53, 55, 67, 69, 73, 73, 81, 81, 85, 89, 91, 95, 99, 99, 107, 107, 109, 109, 119, 129, 131, 131, 133, 137, 137, 145, 149, 153, 157, 157, 161, 163, 163, 171, 183, 185
OFFSET
1,1
FORMULA
a(n)=A000040(n) - 2n + 2.
MATHEMATICA
Table[Prime[n]-2(n-1), {n, 70}] (* Harvey P. Dale, Jul 04 2016 *)
CROSSREFS
See A179437 for another version.
Sequence in context: A057001 A307689 A299037 * A219272 A084097 A306684
KEYWORD
nonn,easy
AUTHOR
EXTENSIONS
Edited by Charles R Greathouse IV, Mar 24 2010
STATUS
approved