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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A216202 Primes p=prime(i) of level (1,7), i.e., such that A118534(i) = prime(i-7). 1
22307, 39251, 81569, 85853, 132763, 159233, 179849, 188029, 281431, 370949, 373393, 421741, 480587, 607363, 630737, 741721, 770669, 782011, 812527, 879743, 909917, 928703, 1008263, 1037347 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

If the i-th prime prime(i) has level 1 in A117563 and 2*prime(i) - prime(i+1) = prime(i-k), then we say that p(i) has level(1,k).

Subsequence of A125830 and of A162174.

LINKS

Fabien Sibenaler, Table of n, a(n) for n = 1..10000

EXAMPLE

81569 = prime(7980) is a term because:

prime(7981) = 81611, prime(7973) = 81527;

2*prime(7980) - prime(7981) = prime(7973).

MATHEMATICA

With[{m = 7}, Prime@ Select[Range[m + 1, 10^5], If[MemberQ[{1, 2, 4}, #], 0, 2 Prime[#] - Prime[# + 1]] == Prime[# - m] &]] (* Michael De Vlieger, Jul 16 2017 *)

CROSSREFS

Cf. A117078, A117563, A006562 (primes of level (1,1)), A117876, A118464, A118467, A119402, A119403, A119404, A125565, A125572, A125574, A125576, A125623.

Sequence in context: A204333 A252774 A253042 * A154094 A206656 A224648

Adjacent sequences:  A216199 A216200 A216201 * A216203 A216204 A216205

KEYWORD

nonn

AUTHOR

Fabien Sibenaler, Mar 12 2013

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 20:35 EDT 2019. Contains 328103 sequences. (Running on oeis4.)