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A107318 Number of ordered Goldbach partitions of 10^n. 4
3, 12, 56, 254, 1620, 10804, 77614, 582800, 4548410, 36400976, 298182320, 2487444740, 21066301710 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Number of ways of writing 10^n as the sum of two odd primes, when the order matters.

Apart from a(1), equals 2*A065577(n).

LINKS

Table of n, a(n) for n=1..13.

CROSSREFS

See A065577 for further information.

Sequence in context: A064314 A185630 A284843 * A176281 A050147 A259800

Adjacent sequences:  A107315 A107316 A107317 * A107319 A107320 A107321

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, based on email from R. J. Mathar, Nov 07 2006

EXTENSIONS

a(13) from Donovan Johnson, Nov 16 2009

STATUS

approved

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Last modified July 2 13:40 EDT 2020. Contains 335401 sequences. (Running on oeis4.)