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A133635 Nonprime numbers k such that binomial(k+p,k) mod k = 1, where p=5. 20
26, 34, 49, 58, 74, 77, 82, 91, 98, 106, 119, 121, 122, 133, 143, 146, 154, 161, 169, 178, 187, 194, 202, 203, 209, 217, 218, 221, 226, 242, 247, 253, 259, 266, 274, 287, 289, 298, 299, 301, 314, 319, 322, 323, 329, 338, 341, 343, 346, 361, 362, 371, 377, 386 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

MATHEMATICA

nn=400; With[{c=Complement[Range[nn], Prime[Range[PrimePi[nn]]]]}, Select[ c, Mod[Binomial[#+5, #], #]==1&]] (* Harvey P. Dale, Sep 24 2012 *)

CROSSREFS

Cf. A000040, A133620-A133625, A133630, A038509, A133634-A133636.

Cf. A133875, A133885, A133880, A133890, A133900, A133910.

Sequence in context: A119481 A232668 A100393 * A167705 A061673 A072571

Adjacent sequences:  A133632 A133633 A133634 * A133636 A133637 A133638

KEYWORD

nonn

AUTHOR

Hieronymus Fischer, Sep 30 2007

STATUS

approved

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Last modified May 21 02:48 EDT 2019. Contains 323434 sequences. (Running on oeis4.)