52911

Appears in sequences

• Number of nonnegative integer 3 X 3 matrices with no zero rows or columns and with sum of elements equal to n.at n=11A055005
• Number of n-celled polyominoes without holes, symmetric about axis 2.at n=38A056880
• Numbers k such that sigma(k-3) + sigma(k+3) = sigma(2*k).at n=35A067129
• Number of permutations of length n which avoid the patterns 1432, 2134, 4132; or avoid the patterns 3124, 4123, 4321.at n=10A116773