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A366205 Average of a twin prime pair which is the sum of the first k primes, for some k. 2
6870, 25800, 38238, 125508, 128112, 220512, 372612, 3245688, 4286748, 15433968, 19659138, 23283852, 23494650, 23579262, 26233368, 32131272, 32380728, 34775988, 41299848, 58705260, 61470132, 63588432, 63873960, 91649652, 92774808, 106956252, 124336212, 159723300 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
FORMULA
a(n) = A007504(A366206(n)).
MATHEMATICA
With[{upto=10^4}, Select[Accumulate[Prime[Range[upto]]], PrimeQ[#-1]&&PrimeQ[#+1]&]]
CROSSREFS
Intersection of A007504 with A014574.
Cf. A346706, A366094, A366206 (corresponding k values).
Sequence in context: A013892 A154086 A064351 * A345148 A345149 A345603
KEYWORD
nonn
AUTHOR
Paolo Xausa, Oct 04 2023
STATUS
approved

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Last modified April 17 08:05 EDT 2024. Contains 371756 sequences. (Running on oeis4.)