A174573 Partial sums of A049369.

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

Offset

1,3

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.

Links

Table of n, a(n) for n=1..11.

Formula

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

Example

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

Crossrefs

Cf. A049369, A005470.

Sequence in context: A134952 A184436 A149028 * A126183 A174798 A042039

Adjacent sequences: A174570 A174571 A174572 * A174574 A174575 A174576

Keyword

nonn

Author

Jonathan Vos Post, Mar 22 2010

Status

approved