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A135484
a(n) = Sum_{i=1..n} i^prime(i), where prime(i) denotes i-th prime number.
2
1, 9, 252, 16636, 48844761, 13109538777, 232643623525984, 144347831699381856, 8863082467484200477785, 100000008863082467484200477785, 192043424966613562971631041769596
OFFSET
1,2
LINKS
MATHEMATICA
f[n_] := Sum[i^Prime@i, {i, n}]; Array[f, 12] (* Robert G. Wilson v, Feb 12 2008 *)
Accumulate[Table[n^Prime[n], {n, 15}]] (* Harvey P. Dale, Nov 30 2023 *)
PROG
(PARI) a(n) = sum(k=1, n, k^prime(k)); \\ Michel Marcus, Oct 15 2016
CROSSREFS
Partial sums of A062481.
Sequence in context: A370357 A158621 A256019 * A345160 A178186 A348861
KEYWORD
nonn
AUTHOR
Ctibor O. Zizka, Feb 07 2008
EXTENSIONS
Edited and extended by Robert G. Wilson v, Feb 12 2008
STATUS
approved