109746

Appears in sequences

• Triangular numbers which remain triangular when the most significant digit is moved to the end.at n=14A067269
• Triangular numbers for which the sum of the digits is a cube.at n=34A117803
• Number of n X 3 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 1 and 1 1 0 vertically.at n=10A208103
• Number of ways to choose two points on a centered hexagonal grid of size n.at n=12A241219
• Triangular numbers which have one or more occurrences of exactly six different digits.at n=6A241789