A223939 Integer averages of first k primes cubed for some k (a(n) = A223937(n)/A122140(n)).

8, 187858, 13080918308, 26871014202, 29988975981350, 773478679579793136, 8923646993118036400, 545048444084018901462938808502760, 22049455928935679528789623492181708, 180819643079146957138056211903672348

Offset

1,1

Links

Paul W. Dyson, Table of n, a(n) for n = 1..18 (terms 1..11, 16, 18 from Paul W. Dyson, terms 11..15, 17 from Bruce Garner)

OEIS Wiki, Sums of powers of primes divisibility sequences

Example

The integer, 187858 is the average of the first 25 primes^3 (4696450/25=187858).

Crossrefs

Cf. A122140, A223937.

Cf. A085450 (smallest m > 1 that divides Sum_{k=1..m} prime(k)^n).

Cf. A007504, A045345, A171399, A128165, A233523, A050247, A050248.

Cf. A024450, A111441, A217599, A128166, A233862, A217600, A217601.

Sequence in context: A308138 A123651 A210812 * A013846 A131677 A254961

Adjacent sequences: A223936 A223937 A223938 * A223940 A223941 A223942

Keyword

nonn

Author

Robert Price, Mar 29 2013

Status

approved