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!)
 A133630 Nonprime numbers k such that binomial(k+p,k) mod k = 1, where p=10. 50

%I

%S 4,33,57,68,85,87,111,121,141,143,164,169,185,187,209,219,221,235,247,

%T 249,253,260,289,292,299,303,319,323,327,335,341,356,361,377,381,388,

%U 391,403,407,411,435,437,451,452,473,481,484,485,489,493,516,517,519

%N Nonprime numbers k such that binomial(k+p,k) mod k = 1, where p=10.

%H Charles R Greathouse IV, <a href="/A133630/b133630.txt">Table of n, a(n) for n = 1..10000</a>

%o (PARI) is(n)=binomial(n+10,10)%n==1 && !isprime(n) \\ _Charles R Greathouse IV_, Nov 04 2015

%Y Cf. A000040, A133620-A133625, A133630, A038509, A133634-A133636, A133880, A133890, A133900, A133910.

%K nonn,easy

%O 1,1

%A _Hieronymus Fischer_, Sep 30 2007

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 August 7 09:09 EDT 2020. Contains 336274 sequences. (Running on oeis4.)