login
A236209
Sum of the seventh powers of the first n primes.
1
128, 2315, 80440, 903983, 20391154, 83139671, 493478344, 1387350083, 4792175530, 22042051839, 49554665950, 144486543083, 339240816964, 611059428071, 1117682548534, 2292393688371, 4781045173190, 7923788009211, 13984499614534, 23079619772925, 34127018292022
OFFSET
1,1
FORMULA
a(n) = Sum_{k=1..n} prime(k)^7.
MATHEMATICA
Table[Sum[Prime[k]^7, {k, n}], {n, 1000}]
CROSSREFS
Cf. A085450 (smallest m > 1 such that m divides Sum_{k=1..m} prime(k)^n).
Partial sums of A092759.
Sequence in context: A056574 A096961 A231306 * A283548 A297687 A221662
KEYWORD
nonn,easy
AUTHOR
Robert Price, Jan 20 2014
STATUS
approved