44638

Appears in sequences

• a(n) = 6^n mod n^6.at n=6A066610
• a(n) = n^(n+1) mod (n+1)^n.at n=6A176823
• Number of 5-step one space leftwards or up, two space rightwards or down asymmetric rook's tours on an n X n board summed over all starting positions.at n=16A187300
• Number of integers in n-th generation of tree T(-1/4) defined in Comments.at n=41A274149
• G.f. A(x) satisfies: [x^(n-1)] (1+x)^(n^2) / A(x)^n = 0 for n>1.at n=6A303060
• a(n) = Sum_{i=1..n} sigma(i)*sigma(i+1), where sigma(n) = A000203(n) is the sum of the divisors of n.at n=36A330322