34399

Appears in sequences

• Numerators of continued fraction convergents to sqrt(674).at n=4A042296
• Nonprime numbers k such that (k+1)*Sum_{d|k} 1/(d+1) is an integer.at n=17A069155
• Integers n such that 10^n-57 is prime.at n=20A108493
• Triangle read by rows: T(n,k) is number of (n-k) X k matrices, k=0..n, with nonnegative integer entries and every row and column sum <= 2.at n=58A131235
• Triangle read by rows: T(n,k) is number of (n-k) X k matrices, k=0..n, with nonnegative integer entries and every row and column sum <= 2.at n=62A131235
• a(n) = 4*n^3 - 6*n^2 + 1.at n=21A141530
• a(n) = (n+3)^2*n/2 + 1.at n=39A154560
• a(n) = 78*n^2 + 1.at n=21A158769
• a(n) = 10*2^n - 3*A083658(n+2).at n=12A167710
• Array read by antidiagonals: T(n,k) is the number of n X n nonnegative integer matrices with sum of elements equal to k, up to rotations and reflections.at n=73A343875