273873600

Appears in sequences

• Number of permutations of 1..n with the sequence of sums of 5 adjacent elements having exactly 1 maximum.at n=9A179724
• Numbers k such that sigma(k) > 5*k.at n=7A215264
• Numbers k such that sigma(k) >= sigma(k-2) + sigma(k-1) + sigma(k+1) + sigma(k+2).at n=2A226589
• Number T(n,k) of 2n-length strings of balanced parentheses of exactly k different types; triangle T(n,k), n>=0, 0<=k<=n, read by rows.at n=42A256061
• Primitive 5-abundant numbers: Numbers k such that sigma(k) > 5k (A215264) all of whose proper divisors d are 5-deficient numbers (having sigma(d) < 5d).at n=6A307115