246402

Appears in sequences

• a(n) = n^2*(n+1)^2/2.at n=26A163102
• Number of length-(3+1) 0..n arrays with new repeated values introduced in sequential order starting with zero.at n=21A268262
• Numbers k whose bi-unitary divisors have an even sum which is larger than 2k, but they cannot be partitioned into two disjoint parts whose sums are equal.at n=29A323342