397923domain: NAppears in sequencesA sum over scaled A000531 related to Catalan numbers C(n).at n=7A029887Triangle related to A001700 and A000302 (powers of 4).at n=47A046658a(n) = 2^(2*n - HammingWeight(n)) * [x^n] ((1 - x)^(-5/2) - (x - 1)^(-2)).at n=8A380951