%I

%S 0,1,3,11,55,545,14619,1363847

%N Partial sums of A002833.

%C Partial sums of threshold functions of n variables. The subsequence of primes in this partial sum begins: 3, 11, 1363847.

%F a(n) = SUM[i=0..n] A002833(i).

%e a(7) = 0 + 1 + 2 + 8 + 44 + 490 + 14074 + 1349228 = 1363847 is prime.

%Y Cf. A002833.

%K more,nonn

%O 0,3

%A _Jonathan Vos Post_, Mar 24 2010