A176692 Partial sums of A000617.

2, 5, 10, 20, 47, 166, 1279, 30654, 2760820

Offset: 0

Author

Jonathan Vos Post, Apr 24 2010

Keywords

• nonn

Comments

Partial sums of number of NP-equivalence classes of threshold functions of n or fewer variables. The subsequence of primes in this sequence begins: 2, 5, 47, 1279.

Examples

			a(6) = 2 + 3 + 5 + 10 + 27 + 119 + 1113 = 1279 is prime.
		

Crossrefs

Cf. A000617, A000619.

Formula

a(n) = SUM[i=0..n] A000617(i) = SUM[i=0..n] SUM[j=0..i] A000619(j).