A133630 - OEIS

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

A133630

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

53

4, 33, 57, 68, 85, 87, 111, 121, 141, 143, 164, 169, 185, 187, 209, 219, 221, 235, 247, 249, 253, 260, 289, 292, 299, 303, 319, 323, 327, 335, 341, 356, 361, 377, 381, 388, 391, 403, 407, 411, 435, 437, 451, 452, 473, 481, 484, 485, 489, 493, 516, 517, 519

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Charles R Greathouse IV, Table of n, a(n) for n = 1..10000

PROG

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

CROSSREFS

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

Sequence in context: A145645 A042831 A092207 * A279866 A066645 A295939

Adjacent sequences: A133627 A133628 A133629 * A133631 A133632 A133633

KEYWORD

nonn,easy

AUTHOR

Hieronymus Fischer, Sep 30 2007

STATUS

approved