A392292 - OEIS

%I #6 Jan 16 2026 09:19:30

%S 2,5,12,13,15,27,31,34,35,38,40,43,47,52,58,69,74,79,80,81,83,87,89,

%T 92,94,95,96,97,98,99,101,102,105,107,108,110,111,114,116,118,119,121,

%U 124,125,126,128,136,141,142,145,146,147,150,153,158,163,165,168,172

%N Composition numbers of biconnected graphs.

%C See A392291 for details.

%C A392293 is a subsequence. Terms here but not in A392293 are 40, 52, 80, 94, 96, ... .

%H Pontus von Brömssen, <a href="/A392292/b392292.txt">Table of n, a(n) for n = 1..101</a>

%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Biconnected_graph">Biconnected graph</a>.

%Y Cf. A392291, A392293.

%K nonn

%O 1,1

%A _Pontus von Brömssen_, Jan 08 2026