A280080 Lower ends of record gaps between prime-indexed primes.

3, 5, 17, 41, 83, 127, 241, 283, 617, 1297, 1913, 2099, 3761, 5869, 9103, 10909, 46751, 104827, 114089, 152953, 177791, 219931, 293123, 368153, 2101553, 3733111, 5188297, 5336477, 7244099, 9026123, 12818959, 21330371, 21459517, 24931771, 32637571, 79689091, 182395973

Offset

1,1

Links

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

Example

a(4) = 41 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, #]]] &, Union@ Rest@ FoldList[Max, 0, t]]]@ Differences@ s]@ Array[Prime@ Prime@ # &, 10^5] (* Michael De Vlieger, Dec 25 2016 *)

Crossrefs

Cf. A006450, A280081, A280082.

Sequence in context: A141160 A336380 A113275 * A001572 A236458 A131342

Adjacent sequences: A280077 A280078 A280079 * A280081 A280082 A280083

Keyword

nonn

Author

Bobby Jacobs, Dec 25 2016

Status

approved