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 A077325 Average of terms of n-th row of A077321. 5
 2, 4, 13, 31, 55, 77, 215, 227, 271, 308, 661, 438, 825, 806, 1229, 1271, 1943, 1388, 2379, 2106, 2997, 2393, 3377, 2856, 4437, 4051, 6043, 4299, 7041, 4157, 8393, 6628, 8005, 7409, 9821, 7684, 12549, 10233, 12581, 11090, 14249, 9811, 18467, 13616 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..44. FORMULA a(n) = A077324(n)/n. MAPLE A077325 := proc(nmax) local n, a, T, i, p, s ; T := [] ; a := [] ; n :=1 ; while nops(a) < nmax do s := 0 ; for i from 1 to n do p := 2 ; while ( p in T ) or (p-1) mod n <> 0 do p := nextprime(p) ; od ; T := [op(T), p] ; s := s+p ; od ; a := [op(a), s/n] ; n := n+1 ; od ; RETURN(a) ; end: A077325(50) ; # R. J. Mathar, Feb 03 2007 CROSSREFS Cf. A077321, A077322, A077323, A077324. Sequence in context: A128601 A034500 A261455 * A148213 A148214 A148215 Adjacent sequences: A077322 A077323 A077324 * A077326 A077327 A077328 KEYWORD nonn AUTHOR Amarnath Murthy, Nov 04 2002 EXTENSIONS Corrected and extended by R. J. Mathar, Feb 03 2007 STATUS approved

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Last modified September 22 05:50 EDT 2023. Contains 365519 sequences. (Running on oeis4.)