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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

Table of n, a(n) for n=1..37.

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

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