124540416

Appears in sequences

• Number of permutations of 1..n with no element e[i>=2]<e[1+floor((i-2)/4)] (4-way heap).at n=14A178009
• The Gauss factorial n_5!.at n=13A232981
• a(n) is the product of the first n numbers not divisible by 5.at n=11A356858