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Column 2 of triangle A055300.
1

%I #8 Apr 20 2023 18:22:34

%S 1,-1,0,1,0,-3,-1,14,20,-77,-308,147,3965,12527,-26255,-446923,

%T -1127033,9020388,71170748,57286010,-2168151928,-17700260071,

%U -11899834419,993097077555,7077421523510,-12873010724109

%N Column 2 of triangle A055300.

%H <a href="/index/Tra#trees">Index entries for sequences related to trees</a>

%Y Cf. A055300.

%K sign

%O 2,6

%A _Christian G. Bower_, May 09 2000