%I #5 Mar 31 2012 13:23:38
%S 1,6,30,115,374,1079,2848,7005,16285,36117,76981,158563,317014,617349,
%T 1174400,2187584,3998057,7181362,12696179,22120549,38023748,64546190,
%U 108296742,179729895,295244362,480358370,774483006,1238052200
%N Row sums of A117488 which has 1, 3, 5, 7, ... entries per row.
%C Note that the central diagonal of table A117488 is 1 2 5 20 ...
%e A117488 begins
%e 1
%e 1 2 3
%e 1 2 5 8 14
%e 1 2 5 10 18 30 49
%e 1 2 5 10 20 34 59 94 149
%e so a(n) begins
%e 1 6 30 115 374 ...
%Y Cf. A115994, A117488.
%K nonn
%O 1,2
%A _Alford Arnold_, Mar 22 2006
%E More terms from _David Wasserman_, Nov 03 2010