42690domain: NAppears in sequencesRow sums of triangle A059037.at n=6A059040Numbers which have more different digits than their cubes.at n=9A061374Numbers k such that 2*k+1, 4*k+1, 8*k+1 and 16*k+1 are primes.at n=32A124412G.f. A(x) satisfies 1 = Sum_{n=-oo..+oo} x^(2*n) * (x^n - A(x))^(3*n+1).at n=7A380677