282446313697domain: NAppears in sequencesa(n) = 2^n + 3^n.at n=24A007689Centered cube numbers: (n+1)^24 + n^24.at n=2A036102a(n) = 4^n + 9^n.at n=12A074614Expansion of (1 - 3*x + x^2)/((1-2*x)*(1-3*x)).at n=25A085281G.f.: (2-x)/((1+2x)(1-3x)); e.g.f.: exp(3x)+exp(-2x); a(n)=3^n+(-2)^n.at n=24A087451