cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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A174573 Partial sums of A049369.

Original entry on oeis.org

0, 1, 3, 10, 32, 141, 821, 6965, 79852, 1140915, 18681007
Offset: 1

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Author

Jonathan Vos Post, Mar 22 2010

Keywords

Comments

Partial sums of number of planar graphs with minimum degree at least 1 and n nodes. The subsequence of primes in this partial sum begins: 3, 821.

Examples

			a(11) = 0 + 1 + 2 + 7 + 22 + 109 + 680 + 6144 + 72887 + 1061063 + 17540092 = 18681007.

Crossrefs

Cf. A049369, A005470.

Formula

a(n) = Sum_{i=1..n} A049369(i).
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