A173760 Partials sums of A000410.

0, 0, 6, 431, 66056, 27960727, 35744362616, 144901919316449

Offset: 1

Author

Jonathan Vos Post, Feb 23 2010

Keywords

• more
• nonn

Comments

Partials sums of number of singular n X n rational (0,1)-matrices. The subsequence of primes in this partial sum begins: 431.

Examples

			a(8) = 0 + 0 + 6 + 425 + 65625 + 27894671 + 35716401889 + 144866174953833.
		

Crossrefs

Cf. A000409, A000410, A046747, A064230, A064231.

Formula

a(n) = SUM[i=0..n] A000410(i).