The On-Line Encyclopedia of Integer Sequences (OEIS)

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Partials sums of A000410.
(history; published version)

#2 by Russ Cox at Fri Mar 30 18:40:51 EDT 2012

AUTHOR

_Jonathan Vos Post (jvospost3(AT)gmail.com), _, Feb 23 2010

Discussion

Fri Mar 30

18:40

OEIS Server: https://oeis.org/edit/global/228

#1 by N. J. A. Sloane at Tue Jun 01 03:00:00 EDT 2010

NAME

Partials sums of A000410.

DATA

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

OFFSET

1,3

COMMENTS

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

FORMULA

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

EXAMPLE

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

CROSSREFS

KEYWORD

more,nonn

AUTHOR

Jonathan Vos Post (jvospost3(AT)gmail.com), Feb 23 2010

STATUS

approved