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 A345089 Averages of two consecutive odd-indexed odd primes. 0
 8, 14, 20, 27, 36, 44, 53, 63, 70, 78, 90, 100, 106, 118, 132, 143, 153, 162, 173, 185, 194, 204, 219, 230, 237, 249, 263, 273, 280, 295, 310, 322, 339, 350, 360, 373, 384, 395, 410, 425, 435, 444, 455, 464, 477, 493, 504, 516, 535, 555, 567, 579, 593, 603, 612, 624, 637, 648 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..58. FORMULA a(n) = (prime(2*n + 1) + prime(2*n + 3))/2. a(n) = A345071(n+1)/2. - Jianing Song, Jun 09 2021 EXAMPLE 8 is in the sequence since it is the average of 5 and 11, which are the 3rd and 5th prime numbers. MATHEMATICA Table[(Prime[2 n + 1] + Prime[2 n + 3])/2, {n, 80}] CROSSREFS Cf. A345070, A345071. Sequence in context: A373475 A096786 A114527 * A200328 A363031 A108058 Adjacent sequences: A345086 A345087 A345088 * A345090 A345091 A345092 KEYWORD nonn AUTHOR Wesley Ivan Hurt, Jun 07 2021 STATUS approved

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Last modified August 9 21:53 EDT 2024. Contains 375044 sequences. (Running on oeis4.)