142692

Appears in sequences

• a(n) = floor(n*(n-1)*(n-2)*(n-3)/30).at n=47A011940
• Number of arrays of n+2 integers in -5..5 with sum zero and the sum of every adjacent pair being odd.at n=5A202073
• T(n,k)=Number of arrays of n+2 integers in -k..k with sum zero and the sum of every adjacent pair being odd.at n=50A202076
• Number of arrays of 8 integers in -n..n with sum zero and the sum of every adjacent pair being odd.at n=4A202079
• Number of (w,x,y,z) with all terms in {1,...,n} and w <= (geometric mean of x,y,z).at n=24A212143