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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A280081 Upper ends of record gaps between prime-indexed primes. 2
 5, 11, 31, 59, 109, 157, 277, 331, 709, 1409, 2027, 2221, 3911, 6037, 9293, 11257, 47123, 105211, 114547, 153427, 178289, 220573, 293861, 369181, 2102797, 3734491, 5189797, 5338243, 7245883, 9027923, 12820811, 21332369, 21461717, 24934051, 32640199, 79692083, 182398973 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS EXAMPLE a(4) = 59 because the next prime-indexed prime after 41 is 59, and that is a record gap of size 18. MATHEMATICA Function[s, Function[t, Flatten@ Map[s[[First@ Position[t, #] + 1]] &, Union@ Rest@ FoldList[Max, 0, t]]]@ Differences@ s]@ Array[Prime@ Prime@ # &, 10^5] (* Michael De Vlieger, Dec 25 2016 *) CROSSREFS Cf. A006450, A280080, A280082. Sequence in context: A105910 A023259 A267478 * A057470 A038580 A106088 Adjacent sequences:  A280078 A280079 A280080 * A280082 A280083 A280084 KEYWORD nonn AUTHOR Bobby Jacobs, Dec 25 2016 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.

Last modified September 22 13:48 EDT 2021. Contains 347607 sequences. (Running on oeis4.)