47960

Appears in sequences

• Another erroneous version of A002499.at n=5A047834
• Numbers k such that sigma(k^2-k-1) = k*(k+1).at n=36A069826
• a(n) = 4*n^4 + 24*n^3 + 48*n^2 + 36*n + 8.at n=9A086302
• a(n) = 4*(3*n+1)*(3*n+2).at n=36A144410
• a(n) = 8000*n - 40.at n=5A157660