2953665

Appears in sequences

• a(n) = smaller member of n-th pair of distinct, positive, triangular numbers whose sum and difference are also triangular numbers.at n=31A185129
• Triangular numbers t(n) with a zeroless decimal representation such that (product of decimal digits of t(n)) / n is an integer.at n=12A307812
• Numbers that have exactly 10 representations as a k-gonal number, P(n,k) = n*((k-2)*n - (k-4))/2, k and n >= 3.at n=13A321160