175056

Appears in sequences

• Enneagonal numbers whose sum of digits is also enneagonal.at n=28A117051
• Enneagonal numbers for which both the sum of the digits and the product of the digits are also enneagonal numbers.at n=9A117053
• Number of pairs (x, y) with 0 <= x, y <= n such that the distance between two points is a positive integer.at n=46A228108