119691

Appears in sequences

• a(n) = Sum_{d|n} sigma(n/d)*d^3.at n=41A027847
• G.f. is the polynomial (1-x^3) * (1-x^6) * (1-x^9) * (1-x^12) * (1-x^15) * (1-x^18) * (1-x^21) * (1-x^24) * (1-x^27) * (1-x^30) * (1-x^33) * (1-x^36) * (1-x^39) / (1-x)^13.at n=8A162631
• Number of nX4 0..1 arrays with each 1 horizontally or vertically adjacent to 2 or 4 1s.at n=11A295201