A289470 - OEIS

%I #11 May 03 2021 20:12:14

%S 1,0,1,1,2,3,7,15,39,107,324,1072,3778,14228,56568,235449,1021381,

%T 4596328,21383982,102594132,506544749,2569520447,13372902590,

%U 71322154244,389402949706

%N Number of strictly 2-connected graphs with n edges.

%F a(n) = A010355(n) - A338511(n). - _Andrew Howroyd_, May 03 2021

%Y Cf. A002218, A002840, A010355, A289471, A338511.

%K nonn,more

%O 1,5

%A _Ed Pegg Jr_, Jul 06 2017

%E a(12)-a(13) corrected and a(14)-a(25) from _Andrew Howroyd_, May 03 2021