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!)
 A138992 a(n) = Frobenius number for 6 successive primes = F[p(n),p(n+1),p(n+2),p(n+3),p(n+4),p(n+5)]. 11
 1, 4, 9, 16, 31, 41, 64, 63, 102, 143, 169, 216, 203, 264, 304, 381, 470, 502, 538, 562, 592, 638, 769, 989, 1360, 1008, 929, 961, 995, 1051, 1530, 1582, 1777, 1694, 2084, 2140, 2369, 2288, 2527, 2778, 3399, 2721, 2859, 2698, 2756, 3035, 3613, 5800, 4765 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS For Frobenius numbers for 2 successive primes see A037165 For Frobenius numbers for 3 successive primes see A138989 For Frobenius numbers for 4 successive primes see A138990 For Frobenius numbers for 5 successive primes see A138991 For Frobenius numbers for 6 successive primes see A138992 For Frobenius numbers for 7 successive primes see A138993 For Frobenius numbers for 8 successive primes see A138994 LINKS EXAMPLE a(4)=16 because 16 is the biggest number k such that equation: 7*x_1+11*x_2+13*x_3+17*x+4+19*x_5+23*x_6 = k has no solution for any nonnegative x_i (in other words for every k>16 there exists one or more solutions) MATHEMATICA Table[FrobeniusNumber[{Prime[n], Prime[n + 1], Prime[n + 2], Prime[n + 3], Prime[n + 4], Prime[n + 5]}], {n, 1, 100}] FrobeniusNumber/@Partition[Prime[Range[100]], 6, 1] (* Harvey P. Dale, Aug 15 2014 *) CROSSREFS Cf. A028387, A037165, A079326, A138985, A138986, A138987, A138988, A138989, A138990, A138991, A138992, A138993, A138994. Sequence in context: A161328 A073141 A093175 * A199936 A326958 A281904 Adjacent sequences:  A138989 A138990 A138991 * A138993 A138994 A138995 KEYWORD nonn AUTHOR Artur Jasinski, Apr 05 2008 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 February 28 06:55 EST 2020. Contains 332321 sequences. (Running on oeis4.)