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Central terms of triangle A114172 found in even-indexed rows.
4

%I #3 Mar 30 2012 18:36:52

%S 1,3,16,95,601,3951,26650,183043,1274080,8959268,63512890,453227590,

%T 3252065077,23443729683,169680654790,1232381601759,8977925594880,

%U 65579423363511,480162707557696,3523121247341469,25899477669429042

%N Central terms of triangle A114172 found in even-indexed rows.

%Y Cf. A114172, A114173 (row sums), A114175 (row sums-square).

%K nonn

%O 0,2

%A _Paul D. Hanna_, Nov 15 2005