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 A022094 Sum of first prime(n) primes. 2
 5, 10, 28, 58, 160, 238, 440, 568, 874, 1480, 1720, 2584, 3266, 3638, 4438, 5830, 7418, 7982, 9854, 11240, 11966, 14288, 15968, 18650, 22548, 24680, 25800, 28104, 29296, 31734, 41022, 43940, 48494 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Robert Israel, Table of n, a(n) for n = 1..10000 FORMULA a(n) = A007504(A000040(n)). - Robert Israel, Jan 13 2019 MAPLE [ seq(sum(ithprime(k), k=1..ithprime(i)), i=1..100) ]; # Alternative: Primes:= select(isprime, [2, seq(i, i=3..10^4, 2)]): L:= ListTools:-PartialSums(Primes): seq(L[Primes[i]], i=1..numtheory:-pi(nops(Primes))); # Robert Israel, Jan 13 2019 MATHEMATICA a[n_]:=Sum[Prime[k], {k, 1, Prime[n]}]; Array[a, 50] (* Stefano Spezia, Jan 14 2019 *) CROSSREFS Cf. A000040, A007504 (sum of first n primes). Sequence in context: A218466 A277825 A054298 * A134129 A240515 A105862 Adjacent sequences:  A022091 A022092 A022093 * A022095 A022096 A022097 KEYWORD easy,nonn AUTHOR Detlef Pauly (dettodet(AT)yahoo.de) STATUS approved

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Last modified February 22 19:54 EST 2019. Contains 320403 sequences. (Running on oeis4.)