60745

Appears in sequences

• Indices of prime Mersenne numbers (A001348).at n=31A016027
• For even n, a(n+2) is the greatest integer such that a(n+2)/a(n+1) < a(n+1)/a(n); for odd n, the least integer such that a(n+2)/a(n+1) > a(n+1)/a(n); a(0) = 4, a(1) = 16.at n=7A022030
• Number of (n+6)X10 0..1 matrices with each 7X7 subblock idempotent.at n=10A224584