%I #12 Nov 30 2020 15:13:29
%S 1,2,4,8,18,34,68,140,280,556,1114,2232,4468,8932,17860,35718,71446,
%T 142900,285800,571592,1143174,2286348,4572708,9145434,18290876,
%U 36581744,73163470,146326928,292653860,585307730,1170615490,2341231006,4682462012,9364923998
%N Sums of antidiagonals in A297359.
%H Rémy Sigrist, <a href="/A297188/b297188.txt">Table of n, a(n) for n = 1..1000</a>
%H Rémy Sigrist, <a href="/A297188/a297188.gp.txt">PARI program for A297188</a>
%o (PARI) See Links section.
%Y Cf. A297359.
%K nonn
%O 1,2
%A _N. J. A. Sloane_, Dec 31 2017
%E More terms from _Rémy Sigrist_, Nov 30 2020