The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A126721 Primes p such that q-p = 40, where q is the next prime after p. 8
 19333, 20809, 22573, 25261, 33247, 38461, 45013, 48907, 52321, 60169, 60961, 62233, 62989, 64333, 64513, 69499, 73141, 76039, 83137, 83497, 84589, 86029, 88129, 88339, 88681, 90313, 96097, 97327, 110989, 113287, 117577, 121189, 122611, 125551, 130729, 131797, 135937, 137659, 139201 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS From Zak Seidov: First terms followed by gaps 40, 2, 40: (383179, 1269601, 1528897, ...). First term followed by gaps 40, 2, 40, 2, 40 is 13504819. - M. F. Hasler, Oct 29 2018 LINKS Remi Eismann, Table of n, a(n) for n = 1..10000 Index entries for primes, gaps between MAPLE a:=p->`if`(ithprime(p+1)-ithprime(p)=40, ithprime(p), NULL); seq(a(p), p=1..13000); # Muniru A Asiru, Oct 29 2018 MATHEMATICA Transpose[Select[Partition[Prime[Range[11000]], 2, 1], #[[2]]-#[[1]] == 40&]][[1]] (* Harvey P. Dale, Apr 18 2012 *) PROG (PARI) A(N=100, g=40, p=2, i=primepi(p)-1, L=[])={forprime(q=1+p, , i++; if(p+g==p=q, L=concat(L, q-g); N--||break)); L} \\ returns the list of first N terms of the sequence. - M. F. Hasler, Oct 19 2018 CROSSREFS Sequence in context: A280555 A031831 A252901 * A323558 A321642 A204592 Adjacent sequences: A126718 A126719 A126720 * A126722 A126723 A126724 KEYWORD nonn AUTHOR Rémi Eismann, Feb 13 2007 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified September 24 19:02 EDT 2023. Contains 365581 sequences. (Running on oeis4.)