A131592 Sum of the squares of the first n^n primes.

4, 4, 87, 86606, 204330315, 792563962432, 4719861842243387, 41451006295401961098

Offset

0,1

Links

Table of n, a(n) for n=0..7.

Formula

Define 0^0 = 1 for this sequence.

Example

The sum of the squares of the first 2^2 primes = 4+9+25+49 = 87, the third entry in the sequence.

Mathematica

Join[{4}, Table[Total[Prime[Range[n^n]]^2], {n, 7}]] (* Harvey P. Dale, Jun 13 2016 *)

Prog

(PARI) sumprimesq(n) = { local(x, y, s, a); for(y=0, n, s=0; for(x=1, y^y, s+=prime(x)^2; ); print1(s", "); ) }

Crossrefs

Sequence in context: A351349 A222271 A068376 * A317868 A224092 A217188

Adjacent sequences: A131589 A131590 A131591 * A131593 A131594 A131595

Keyword

nonn

Author

Cino Hilliard, Aug 30 2007

Extensions

One additional term (a(7)) added by Harvey P. Dale, Jun 13 2016

Status

approved