39209940

Appears in sequences

• Smallest triangular number divisible by exactly n triangular numbers.at n=29A076983
• Expansion of 1/((x-1)*(x+1)*(x^2+x+1)*(x^2+x-1)*(x^2-x+1)*(x^2+1)*(x^4-x^2+1)).at n=37A109609
• Triangular numbers representable as triangular(m) + triangular(2m).at n=3A225839