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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A003310 Generated by a sieve.
(Formerly M2305)
8
3, 4, 5, 7, 8, 11, 13, 17, 19, 20, 26, 29, 32, 37, 38, 43, 49, 50, 56, 62, 67, 68, 71, 73, 86, 89, 91, 98, 103, 113, 116, 121, 127, 131, 133, 137, 140, 151, 158, 161, 169, 173, 179, 182, 188, 200, 206, 209, 211, 221, 227, 230, 239, 242, 247, 253, 259, 271, 277, 278 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Apply the sieve of A003309, but begin with 3 rather than 2.

REFERENCES

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..1000

Popular Computing (Calabasas, CA), Sieves: Problem 43, Vol. 2 (No. 13, Apr 1974), pp. 6-7. This is Sieve #2. [Annotated and scanned copy]

Index entries for sequences generated by sieves

MATHEMATICA

t = Range[3, 330]; r = {}; While[Length[t] >0, k = First[t]; AppendTo[r, k]; t = Drop[t, {1, -1, k}]; ]r (* Ray Chandler, Dec 02 2004 *)

PROG

(Haskell)

a003310 n = a003310_list !! (n-1)

a003310_list = f [3..] where

   f (x:xs) = x : f (g xs) where

     g zs = us ++ g vs where (us, _:vs) = splitAt (x - 1) zs

-- Reinhard Zumkeller, Nov 12 2014

CROSSREFS

Cf. A003309, A100464.

Sequence in context: A325131 A270342 A066542 * A038525 A268678 A057201

Adjacent sequences:  A003307 A003308 A003309 * A003311 A003312 A003313

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Ray Chandler, Dec 02 2004

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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 16 13:27 EDT 2019. Contains 328089 sequences. (Running on oeis4.)