98657
domain: N
Appears in sequences
- G.f. is the polynomial (1-x^3) * (1-x^6) * (1-x^9) * (1-x^12) * (1-x^15) * (1-x^18) * (1-x^21) * (1-x^24) * (1-x^27) / (1-x)^9.at n=12A162602
- Complete list of numbers that take three steps to collapse to a single digit in base 3 (written in base 10).at n=8A253057
- The number of edges formed on a triangle with leg lengths equal to the Pythagorean triples by the straight line segments mutually connecting all vertices and all points that divide the sides into unit length parts.at n=4A333137