87425

Appears in sequences

• Numerator of n/1^n + (n-1)/2^n + (n-2)/3^n + ... + 2/(n-1)^n + 1/n^n.at n=3A119756
• Numerator of 1/n^4 + 2/(n-1)^4 + 3/(n-2)^4 +...+ (n-1)/2^4 + n.at n=3A120288
• Number of nondecreasing integer sequences of length 10 with sum zero and sum of absolute values 2n.at n=20A158144
• a(n) = 1 + 4*n*(1 + 2*n^2)/3.at n=32A171272
• Number of nX2 0..1 arrays with every element unequal to 0, 1 or 3 king-move adjacent elements, with upper left element zero.at n=17A303677