77000

Appears in sequences

• Configurations of linear chains in a square lattice.at n=11A033323
• LCM-convolution of squares A000290 with themselves.at n=19A033456
• a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 35.at n=2A093235
• a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 70.at n=2A093270
• Numbers k such that k and k^2 use only the digits 0, 2, 5, 7 and 9.at n=51A136917
• Numbers such that each digit is the sum of two or more other digits.at n=27A203591
• Numbers whose set of base 10 digits is {0,7}.at n=24A204094
• Integer areas of the intangents triangle of integer-sided triangles.at n=15A231740
• Number of partitions of n where each part i is marked with a word of length i over an octonary alphabet whose letters appear in alphabetical order.at n=5A261742
• Lesser of amicable pair m < n defined by t(n) = m and t(m) = n where t(n) = psi(n) - n and psi(n) = A001615(n) is the Dedekind psi function.at n=30A323329
• Number of achiral colorings of the 6 square faces of a cube or the 6 vertices of a regular octahedron using n or fewer colors.at n=13A337898