306936
domain: N
Appears in sequences
- 1 / min{1/n - 1/a - 1/b > 0}, where a and b are integers.at n=26A045470
- Triangular numbers which are 9-almost primes.at n=6A076583
- Triangular numbers using only the curved digits 0, 3, 6, 8 and 9.at n=19A079653
- a(n) = n^2 * (n^2 - 1)/2.at n=27A083374
- Sixth column (m=5) of (1,6)-Pascal triangle A096956.at n=26A096959
- Row sums of the triangle A045975.at n=27A204558
- Triangular numbers that are the product of three distinct triangular numbers greater than 1.at n=31A225440
- Triangular numbers that are the product of a triangular number and an oblong number.at n=36A253652
- Triangular numbers (A000217) that are the sum of eight consecutive triangular numbers.at n=5A257712