33796

Appears in sequences

• Value of an urn with n balls of type -1 and n+2 balls of type +1.at n=7A003125
• Aliquot sequence starting at 276.at n=17A008892
• Expansion of 2*x^2*(1-x)/(1-3*x+2*x^2-2*x^3).at n=13A115219
• Square array T(n, k) = Product_{j=1..n} ( Sum_{i=0..j-1} (i+1)*(k+1)^i ) with T(n, 0) = n!, read by antidiagonals.at n=25A156576
• Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column plus the two sums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=24A259003
• Number of length n arrays of permutations of 0..n-1 with each element moved by -3 to 3 places and the median of every three consecutive elements nondecreasing.at n=11A263592
• a(n) = n*(n + 1)*(11*n^2 + 11*n - 10)/24.at n=16A264854
• Numbers k such that 483*2^k+1 is prime.at n=39A320339