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A280082 Record gaps between prime-indexed primes. 2
2, 6, 14, 18, 26, 30, 36, 48, 92, 112, 114, 122, 150, 168, 190, 348, 372, 384, 458, 474, 498, 642, 738, 1028, 1244, 1380, 1500, 1766, 1784, 1800, 1852, 1998, 2200, 2280, 2628, 2992, 3000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

EXAMPLE

a(4) = 18 because the next prime-indexed prime after 41 is 59, and that is a record gap of size 18.

MATHEMATICA

Union@ Rest@ FoldList[Max, 0, Differences@ Array[Prime@ Prime@ # &, 10^6]] (* Michael De Vlieger, Dec 25 2016 *)

CROSSREFS

Cf. A006450, A280080, A280081.

Sequence in context: A032483 A057214 A196445 * A139269 A186299 A163777

Adjacent sequences:  A280079 A280080 A280081 * A280083 A280084 A280085

KEYWORD

nonn

AUTHOR

Bobby Jacobs, Dec 25 2016

STATUS

approved

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Last modified September 30 18:12 EDT 2020. Contains 337440 sequences. (Running on oeis4.)