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%I #7 Mar 18 2024 19:46:19
%S 1,3,10,35,124,441,1570,5591,19912,70917,252574,899555,3203812,
%T 11410545,40639258,144738863,515495104,1835963037,6538879318,
%U 23288564027,82943450716,295407480201,1052109342034,3747142986503,13345647643576,47531228903733,169284981998350
%N Expansion of (x^2 + x - 1)/((1 - x)*(2*x^2 + 3*x - 1)). Row sums of A371300.
%p gf := (x^2 + x - 1)/((1 - x)*(2*x^2 + 3*x - 1)):
%p ser := series(gf, x, 32): seq(coeff(ser, x, n), n = 0..26);
%Y Cf. A371300.
%K nonn
%O 0,2
%A _Peter Luschny_, Mar 18 2024