260865

Appears in sequences

• a(n) = binomial(n+2,2)*binomial(n+5,2).at n=29A105938
• Triangle T(n, k) = c(n, q)/c(k, q) if k <= floor(n/2), otherwise c(n, q)/c(n-k, q), where c(n, q) = Product_{j=1..n} (1 - q^j) and q = 4, read by rows.at n=17A174389
• Triangle T(n, k) = c(n, q)/c(k, q) if k <= floor(n/2), otherwise c(n, q)/c(n-k, q), where c(n, q) = Product_{j=1..n} (1 - q^j) and q = 4, read by rows.at n=18A174389
• a(n) = 3^n - A006952(n).at n=24A304082
• Numbers k such that A360327(k) > 2*k.at n=24A360328
• Strongly 2-near perfect numbers.at n=6A366172