96647

Appears in sequences

• Sum along upward diagonal of Pascal triangle from (but not including) center.at n=30A010756
• T(n, 2n-8), T given by A027926.at n=15A027931
• Pentagonal numbers (A000326) that are also brilliant numbers (A078972).at n=14A113941
• Number of ordered quadruples (i,j,k,l) in range [0..n] satisfying i == j (mod 2), j == k (mod 3) and k == l (mod 4).at n=38A115523
• Perimeter s/6 (divided by 6) of primitive Pythagorean triangles such that perimeters are Averages of twin prime pairs, q=p+1, a=q^2-p^2, c=q^2+p^2, b=2*p*q, s=a+b+c, s-+1 are primes.at n=25A155176
• Semiprimes of the form n*(3*n-1)/2.at n=28A245365
• a(n) = Sum_{i=0..n} Fibonacci(i+1)*binomial(2*n-i+2, n+2).at n=8A278472
• Semiprimes of the form p(6p - 1).at n=17A330409