The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A156038 Odd numbers k with the property that (2^k + k^2) == 0 (mod (k+2)). 3
 1, 32377, 484177, 3094247, 10908137, 15612137, 16750127, 17363927, 24827519, 34030327, 184923407, 219087767, 240654017, 430450337, 814220815, 989880257, 1040713247, 1257956527, 1839451007, 2255176457, 2314599527, 3034111727, 3254592497, 3534277217, 3569817127 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Odd terms in A114977. LINKS Alois P. Heinz, Table of n, a(n) for n = 1..75 [using data from A114977] PROG (PARI) isok(n) = (n%2) && ((2^n+n^2)% (n+2) == 0); \\ Michel Marcus, Oct 19 2013 (PARI) is(n)=Mod(2, n+2)^n==-4 && n%2 \\ Charles R Greathouse IV, Oct 19 2013 CROSSREFS Cf. A114977. Sequence in context: A373529 A137283 A251875 * A156048 A234224 A190471 Adjacent sequences: A156035 A156036 A156037 * A156039 A156040 A156041 KEYWORD nonn AUTHOR Zak Seidov, Oct 30 2009 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified September 15 19:46 EDT 2024. Contains 375954 sequences. (Running on oeis4.)