48832

Appears in sequences

• Least k such that 2^n = k^2-sigma(k)*phi(k).at n=26A073477
• Matrix inverse of A103247, so that T(n,k) = C(n,k)*A010842(n-k), read by rows.at n=39A107056
• a(n) = 4*(4 + 9*n^2 + 15*n).at n=36A144449
• a(n) = A061039(8*n+5).at n=27A144453
• Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 10000-11111-10000 pattern in any orientation.at n=20A147079
• Molecular topological indices of the sunlet graphs.at n=27A192846
• Total number of factorial parts in all compositions of n.at n=14A309538
• Accumulation triangle of A360603 read by rows.at n=32A360860