577500

Appears in sequences

• Expansion of (1-25*x)^(-1/5), related to quintic factorial numbers A008548.at n=5A034688
• Expansion of (1-25*x)^(-6/5).at n=4A049394
• Square array read by downward antidiagonals: super Patalan numbers of order 5.at n=15A248326
• Number of permutations p of [n] such that p(i), p(i+3), p(i+6),... form an up-down sequence for i in {1,2,3}.at n=11A367336