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A062531
Index of smallest prime p such that there is a gap of 2^n between p and next prime.
0
2, 4, 24, 282, 738, 8688, 273413, 92276646, 73268943890, 622074604151528
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OFFSET
1,1
LINKS
Table of n, a(n) for n=1..10.
Thomas R. Nicely,
First occurrence prime gaps
[For local copy see
A000101
]
FORMULA
a(n) =
A000720
[
A000230
[2^(n-1)]] = Pi[Min{p|p-prevprime(p)=2^n}]
CROSSREFS
Cf.
A000230
,
A000720
,
A062529
.
Sequence in context:
A151817
A265937
A038058
*
A141599
A047677
A030276
Adjacent sequences:
A062528
A062529
A062530
*
A062532
A062533
A062534
KEYWORD
hard
,
nonn
AUTHOR
Labos Elemer
, Jun 25 2001
EXTENSIONS
a(9)-a(10) from
Daniel Suteu
, Nov 18 2018 [based on data from
A062529
]
STATUS
approved
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Last modified April 23 22:36 EDT 2024. Contains 371917 sequences. (Running on oeis4.)