login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A060331 Primes the sum of six consecutive composite numbers. 1
59, 239, 311, 419, 467, 541, 599, 661, 971, 1009, 1031, 1259, 1381, 1499, 1549, 1571, 1979, 1993, 2029, 2161, 2267, 2341, 2447, 2687, 2953, 3061, 3253, 3371, 3469, 3529, 3671, 3779, 3793, 3889, 3911, 4091, 4139, 4153, 4261, 4391, 4513, 4729, 4789, 5279 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..44.

MATHEMATICA

composite[ n_Integer ] := (k = n + PrimePi[ n ] + 1; While[ k - PrimePi[ k ] - 1 != n, k++ ]; k); a = {}; Do[ p = composite[ n ] + composite[ n + 1 ] + composite[ n + 2 ] + composite[ n + 3 ] + composite[ n + 4 ] + composite[ n + 5 ]; If[ PrimeQ[ p ], a = Append[ a, p ] ], {n, 1, 2000} ]; a

CROSSREFS

Sequence in context: A141977 A059256 A158666 * A158670 A142046 A142952

Adjacent sequences:  A060328 A060329 A060330 * A060332 A060333 A060334

KEYWORD

nonn

AUTHOR

Robert G. Wilson v, Mar 30 2001

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 December 2 05:01 EST 2021. Contains 349437 sequences. (Running on oeis4.)