Numbers k such that (-k!! + (k+1)!! + 1)/2 is prime.

A076210

Numbers k such that (-k!! + (k+1)!! + 1)/2 is prime.

Terms

    a(0) =3a(1) =5a(2) =6a(3) =8a(4) =13a(5) =14a(6) =27a(7) =112a(8) =531a(9) =3795a(10) =4269a(11) =4587a(12) =4910a(13) =8733

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