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A176425 Partial sums of A046091. 0
1, 2, 3, 6, 11, 23, 53, 132, 359, 1068, 3386 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Partial sums of number of connected planar graphs with n edges. The subsequence of primes in this partial sum begins: 3, 11, 23, 53, 359.

LINKS

Table of n, a(n) for n=0..10.

FORMULA

a(n) = SUM[i=0..n] A046091(i).

EXAMPLE

a(10) = 1 + 1 + 1 + 3 + 5 + 12 + 30 + 79 + 227 + 709 + 2318 = 3386 = 2 * 1693.

CROSSREFS

Cf. A002905, A066951, A046091.

Sequence in context: A000055 A217312 A006787 * A000992 A036648 A047750

Adjacent sequences:  A176422 A176423 A176424 * A176426 A176427 A176428

KEYWORD

nonn

AUTHOR

Jonathan Vos Post, Apr 17 2010

STATUS

approved

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Last modified October 21 17:10 EDT 2018. Contains 316427 sequences. (Running on oeis4.)