49394

Appears in sequences

• a(n) = Sum_{ d divides n } (n/d)^(3d).at n=9A073706
• Palindromic even numbers with exactly 2 prime factors (counted with multiplicity). Equivalently, palindromic numbers of the form 2*p with p prime.at n=37A075813
• Number of 0..n arrays of length 3 with each element differing from at least one neighbor by something other than 1.at n=36A221574
• Number of partitions p of n such that (number of even numbers in p) <= 2*(number of odd numbers in p).at n=42A241642
• a(n) = a(n-1) + a(n-3) + a(n-4), where a(0) = 2, a(1) = 1, a(2) = 1, a(3) = 1.at n=24A295685