The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A087376 Leading diagonal of A087377. 2
 1, 2, 6, 7, 14, 7, 30, 24, 30, 19, 60, 23, 72, 33, 46, 48, 90, 34, 124, 51, 82, 64, 144, 67, 148, 78, 118, 87, 240, 58, 232, 113, 150, 114, 200, 88, 288, 165, 202, 138, 332, 91, 352, 167, 202, 163, 384, 136, 372, 143, 258, 195, 500, 142, 360, 207, 318, 226, 552, 137 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Ivan Neretin, Table of n, a(n) for n = 1..1000 FORMULA Conjecture: a(n) < n^2. MATHEMATICA f = Function[n, k = cnt = 0; While[cnt < n, k++; If[PrimeQ[k n + 1], cnt++]]; k]; Table[f[n], {n, 60}] (* Ivan Neretin, May 22 2015 *) CROSSREFS Cf. A034693, A087377. Sequence in context: A127406 A092310 A306924 * A199974 A176279 A265739 Adjacent sequences:  A087373 A087374 A087375 * A087377 A087378 A087379 KEYWORD nonn AUTHOR Amarnath Murthy, Sep 09 2003 EXTENSIONS More terms from David Wasserman, May 24 2005 STATUS approved

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

Last modified April 1 14:18 EDT 2020. Contains 333159 sequences. (Running on oeis4.)