35429

Appears in sequences

• Number of (n+1) X (n+1) -4..4 symmetric matrices with every 2 X 2 subblock having sum zero and one or two distinct values.at n=18A211490
• Composite numbers for which the root mean square of proper divisors is an integer.at n=29A247135
• Number of ways to write a + b + c = d + e = f with {a,b,c,d,e,f} a subset of [n] of size 6 and a < b < c and d < e.at n=47A362717
• a(n) = round(3^n/5).at n=11A383324