Antidiagonal sums of A369326.

Terms

a(0) =1a(1) =2a(2) =4a(3) =9a(4) =23a(5) =63a(6) =176a(7) =491a(8) =1362a(9) =3762a(10) =10369a(11) =28559a(12) =78653a(13) =216638a(14) =596761a(15) =1643966a(16) =4528932a(17) =12476737a(18) =34372059a(19) =94691059a(20) =260862508a(21) =718644363a(22) =1979777046a(23) =5454042866a(24) =15025219777a(25) =41392641187a(26) =114031662049a(27) =314143279634a(28) =865426307713