|
Search: id:A077325
|
|
| |
|
| 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; listen)
|
|
|
OFFSET
|
1,1
|
|
|
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 (mathar(AT)strw.leidenuniv.nl), Feb 03 2007
|
|
CROSSREFS
|
Cf. A077321, A077322, A077323, A077324.
Sequence in context: A153933 A128601 A034500 this_sequence A148213 A148214 A148215
Adjacent sequences: A077322 A077323 A077324 this_sequence A077326 A077327 A077328
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 04 2002
|
|
EXTENSIONS
|
Corrected and extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 03 2007
|
|
|
Search completed in 0.002 seconds
|
