This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A097436 Value of C in y = x^2+7x+C such that y is prime for all x = 0 to 4. 1
 23, 29, 53, 149, 233, 263, 569, 743, 2909, 4253, 5639, 5783, 6983, 7529, 7673, 7919, 10133, 10313, 11243, 13469, 13679, 14723, 14939, 15269, 15383, 19373, 19709, 19919, 21569, 26693, 32603, 33569, 39089, 39839, 41213, 42179, 42443, 43943 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS EXAMPLE a(3) = 53: y = x^2+7x+53. If x = 0; y = 0+0+53 = 53, which is prime. If x = 1; y = 1+7+53 = 61, which is prime. If x = 2; y = 4+14+53 = 71, which is prime. If x = 3; y = 9+21+53 = 83, which is prime. If x = 4; y = 16+28+53 = 97, which is prime. CROSSREFS Sequence in context: A108249 A045120 A174260 * A063980 A046124 A157677 Adjacent sequences:  A097433 A097434 A097435 * A097437 A097438 A097439 KEYWORD nonn AUTHOR Ray G. Opao, Aug 22 2004 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .