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A240994
Partial sums of A086505.
0
10, 21, 44, 75, 104, 157, 230, 283, 372, 529, 602, 739, 938, 1011, 1292, 1521, 1521, 1648, 2031, 2260, 2409, 2798, 3261, 3454, 3813, 4360, 4599, 5066, 5889, 6068
OFFSET
2,1
EXAMPLE
The second term is obtained by taking the trace of the matrix [[3,5,11],[3,7,13],[5,7,11]].
MAPLE
Primes:= select(isprime, {seq(2*i+1, i=1..10^5)}):
T:= 3:
for n from 2 to 100 do
R:= Primes intersect map(`+`, Primes, -2*n);
if nops(R) < n then break fi;
T:= T + R[n];
A[n]:= T;
od:
seq(A[n], n=2..100); # Robert Israel, Aug 06 2014
CROSSREFS
Cf. A086505.
Sequence in context: A280435 A095824 A086225 * A014007 A074254 A122963
KEYWORD
nonn
AUTHOR
Samuel J. Erickson, Aug 06 2014
EXTENSIONS
Entry revised by Robert Israel, Aug 07 2014 and N. J. A. Sloane, Sep 30 2014
STATUS
approved