170775

Appears in sequences

• Numbers k such that k^2 is composed of three 1-digit-overlapping subsquares.at n=27A048426
• 10-gonal numbers for which the sum of the digits is also a 10-gonal number.at n=27A119547
• 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, 0), (-1, 0, 0), (-1, 1, 1), (1, 0, 0), (1, 1, -1)}.at n=11A148645
• Vassiliev invariant of fourth order for the torus knots.at n=22A180324
• a(n) = the number of integers i in {1,2,...,L}, where L = lcm(1,2,...,n), having the property that the number of positive integer divisors of i that are less than or equal to n, is odd.at n=13A241147