39319

Appears in sequences

• Number of permutations of length n which avoid the patterns 1234, 1243, 3241.at n=10A116839
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 1, 0), (-1, 1, 1), (0, 1, -1), (1, 0, 0)}.at n=10A148642
• Number of (w,x,y,z) with all terms in {1,...,n} and w*x-y*z<=n.at n=16A212109
• Composite squarefree numbers n such that p(i)+7 divides n-7, where p(i) are the prime factors of n.at n=9A225717
• Numbers n such that sigma(n) is a Fibonacci number.at n=30A272412
• Numbers k such that tau(k) and sigma(k) are both Fibonacci numbers.at n=16A390231