-2446domain: ZAppears in sequencesa(n) = -2*n^2 + 12*n - 14.at n=37A147973Number of twos minus number of ones in the first 10^n entries of the Kolakoski sequence, A000002.at n=9A289324Expansion of Product_{k>=1} 1/(1 + x^k)^(k*(3*k-2)).at n=9A295123Expansion of (x^3-1+sqrt((x^4+x^3+4*x^2+x+1)*(x^2-x+1)))/(2*x^2).at n=19A337589