267179

Appears in sequences

• Number of nonisomorphic graded posets with 0 and 1 and non-uniform Hasse graph of rank n, with exactly 2 elements of each rank level between 0 and 1.at n=12A208736
• A Fibonacci sum: a(n) = Sum_{j=0..n-1} F(j)^2*F(2*n-j), in which the F's are the Fibonacci numbers.at n=9A254399
• Numbers n for which A324108(n) = A324054(n-1) and which are neither prime powers nor of the form 2^i * p^j, where p is an odd prime, with either exponent i or j > 0.at n=29A324111
• Odd numbers n for which A324108(n) = A324054(n-1), and which themselves are not powers of primes (in A000961).at n=4A324112