138417domain: NAppears in sequencesp-INVERT of (1,1,0,0,0,0,...), where p(S) = 1 - S^4.at n=27A291379Number of integer partitions of 2n with reverse-alternating sum < 0.at n=26A344743a(n) = Sum_{k=0..floor(n/8)} binomial(n-4*k,4*k).at n=28A348289