55300

Appears in sequences

• a(n) = 4*n^3 + 4.at n=24A100214
• Let M(n) be the n X n matrix m(i,j)=min(i,j) for 1<=i,j<=n; then a(n) is the trace of M(n)^(-7).at n=17A114359
• Triangle read by rows: row n is the first row of the matrix M[n]^(n-1), where M[n] is the n X n tridiagonal matrix with main diagonal (3,4,4,...) and super- and subdiagonals (1,1,1,...).at n=39A124574
• Numbers k such that k and k^2 use only the digits 0, 3, 5, 8 and 9.at n=11A136941
• Number of zeros in the period of Fibonacci 5-step sequence A001591 mod n.at n=32A193994