36625domain: NAppears in sequencesNumber of triangular partitions of n.at n=32A089647a(0)=0, a(1)=1, a(n) = ( (a(n-1)+a(n-2)) XOR n) + n.at n=20A182506a(n) = n*(5*n^2-8*n+5)/2.at n=25A226449a(n) = numerator of Sum_{k = 1..n} (1/k) * binomial(n,k)^2 * binomial(n+k,k)^2 for n >= 1 with a(0) = 0.at n=4A357511