login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A111737 Distance between k*(n-th prime) and next prime, k=5 case. 3
1, 2, 4, 2, 4, 2, 4, 2, 12, 4, 2, 6, 6, 8, 4, 4, 12, 2, 2, 4, 2, 2, 4, 4, 2, 4, 6, 6, 2, 4, 6, 4, 6, 6, 6, 2, 2, 6, 4, 12, 12, 2, 12, 2, 6, 2, 6, 2, 16, 6, 6, 6, 8, 4, 4, 4, 16, 6, 14, 4, 8, 6, 8, 4, 2, 12, 2, 8, 6, 2, 12, 6, 12, 2, 6, 16, 4, 2, 6, 8, 4, 6, 6, 14, 8, 6, 6, 2, 4, 18, 4, 4, 2, 4, 8, 6, 4, 4, 2 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

Other cases: k=1 A001223 Differences between consecutive primes, k=2 A059787, k=3 A111735, k=4 A111736, k=6 A111738, k=7 A111739, k=8 A111740, k=9 A111741, k=10 A111742.

EXAMPLE

a(1)=1 because prime(1)=2 and 5*2+1=11

(prime).

MATHEMATICA

NextPrime[#]-#&/@(5Prime[Range[100]]) (* From Harvey P. Dale, Oct 21 2011 *)

CROSSREFS

Cf. A001223, A059787, A111735, A111736, A111738, A111739, A111740, A111741, A111742.

Sequence in context: A165464 A158137 A010694 * A056672 A037201 A128886

Adjacent sequences:  A111734 A111735 A111736 * A111738 A111739 A111740

KEYWORD

nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Nov 18 2005

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 15 15:20 EST 2012. Contains 205823 sequences.