57543

Appears in sequences

• Powers of fifth root of 21 rounded to nearest integer.at n=18A018175
• Powers of fifth root of 21 rounded up.at n=18A018176
• Expansion of (1-x)/(1-2*x-x^2-2*x^3).at n=12A077996
• Number of nondecreasing -n..n vectors of length 4 whose dot product with some other -n..n vector equals 4.at n=15A226343
• Number of partitions p of n such that floor(mean(p)) and ceiling(mean(p)) are parts of p.at n=49A241340
• Numbers k such that (17*10^k - 29)/3 is prime.at n=22A291924