113680

Appears in sequences

• 4-dimensional figurate numbers: a(n) = n*binomial(n+2, 3).at n=27A002417
• Bisection of A002417.at n=13A100431
• Coefficients in quasimodular form F_2(q) of level 1 and weight 6.at n=29A126858
• Expansion of Product_{k>=1} (1 - x^(6*k)) * (1 + x^k) / (1 - x^k).at n=31A280874
• Numbers k such that k = rad(k) * sopfr(k), where rad(k) is the squarefree kernel of k and sopfr(k) the integer log of k.at n=38A280935